20528426500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1609}}^1$

素因数の和:1743

約数の個数: 192

約数和(自身を含む): 50633856000

約数和(自身を除く): 30105429500

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 38, 50, 68, 76, 79, 85, 95, 100, 125, 158, 170, 190, 250, 316, 323, 340, 380, 395, 425, 475, 500, 646, 790, 850, 950, 1292, 1343, 1501, 1580, 1609, 1615, 1700, 1900, 1975, 2125, 2375, 2686, 3002, 3218, 3230, 3950, 4250, 4750, 5372, 6004, 6436, 6460, 6715, 7505, 7900, 8045, 8075, 8500, 9500, 9875, 13430, 15010, 16090, 16150, 19750, 25517, 26860, 27353, 30020, 30571, 32180, 32300, 33575, 37525, 39500, 40225, 40375, 51034, 54706, 61142, 67150, 75050, 80450, 80750, 102068, 109412, 122284, 127111, 127585, 134300, 136765, 150100, 152855, 160900, 161500, 167875, 187625, 201125, 254222, 255170, 273530, 305710, 335750, 375250, 402250, 508444, 510340, 519707, 547060, 611420, 635555, 637925, 671500, 683825, 750500, 764275, 804500, 1039414, 1271110, 1275850, 1367650, 1528550, 2078828, 2160887, 2415109, 2542220, 2551700, 2598535, 2735300, 3057100, 3177775, 3189625, 3419125, 3821375, 4321774, 4830218, 5197070, 6355550, 6379250, 6838250, 7642750, 8643548, 9660436, 10394140, 10804435, 12075545, 12711100, 12758500, 12992675, 13676500, 15285500, 15888875, 21608870, 24151090, 25985350, 31777750, 41056853, 43217740, 48302180, 51970700, 54022175, 60377725, 63555500, 64963375, 82113706, 108044350, 120755450, 129926750, 164227412, 205284265, 216088700, 241510900, 259853500, 270110875, 301888625, 410568530, 540221750, 603777250, 821137060, 1026421325, 1080443500, 1207554500, 2052842650, 4105685300, 5132106625, 10264213250, 20528426500]

約数ペア:

[(1, 20528426500), (2, 10264213250), (4, 5132106625), (5, 4105685300), (10, 2052842650), (17, 1207554500), (19, 1080443500), (20, 1026421325), (25, 821137060), (34, 603777250), (38, 540221750), (50, 410568530), (68, 301888625), (76, 270110875), (79, 259853500), (85, 241510900), (95, 216088700), (100, 205284265), (125, 164227412), (158, 129926750), (170, 120755450), (190, 108044350), (250, 82113706), (316, 64963375), (323, 63555500), (340, 60377725), (380, 54022175), (395, 51970700), (425, 48302180), (475, 43217740), (500, 41056853), (646, 31777750), (790, 25985350), (850, 24151090), (950, 21608870), (1292, 15888875), (1343, 15285500), (1501, 13676500), (1580, 12992675), (1609, 12758500), (1615, 12711100), (1700, 12075545), (1900, 10804435), (1975, 10394140), (2125, 9660436), (2375, 8643548), (2686, 7642750), (3002, 6838250), (3218, 6379250), (3230, 6355550), (3950, 5197070), (4250, 4830218), (4750, 4321774), (5372, 3821375), (6004, 3419125), (6436, 3189625), (6460, 3177775), (6715, 3057100), (7505, 2735300), (7900, 2598535), (8045, 2551700), (8075, 2542220), (8500, 2415109), (9500, 2160887), (9875, 2078828), (13430, 1528550), (15010, 1367650), (16090, 1275850), (16150, 1271110), (19750, 1039414), (25517, 804500), (26860, 764275), (27353, 750500), (30020, 683825), (30571, 671500), (32180, 637925), (32300, 635555), (33575, 611420), (37525, 547060), (39500, 519707), (40225, 510340), (40375, 508444), (51034, 402250), (54706, 375250), (61142, 335750), (67150, 305710), (75050, 273530), (80450, 255170), (80750, 254222), (102068, 201125), (109412, 187625), (122284, 167875), (127111, 161500), (127585, 160900), (134300, 152855), (136765, 150100)]