20120406625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1$

素因数の和:524

約数の個数: 128

約数和(自身を含む): 30040657920

約数和(自身を除く): 9920251295

約数列:

[1, 5, 11, 25, 29, 31, 41, 55, 125, 145, 155, 205, 275, 319, 341, 397, 451, 725, 775, 899, 1025, 1189, 1271, 1375, 1595, 1705, 1985, 2255, 3625, 3875, 4367, 4495, 5125, 5945, 6355, 7975, 8525, 9889, 9925, 11275, 11513, 12307, 13079, 13981, 16277, 21835, 22475, 29725, 31775, 36859, 39875, 42625, 49445, 49625, 56375, 57565, 61535, 65395, 69905, 81385, 109175, 112375, 126643, 135377, 148625, 158875, 179047, 184295, 247225, 287825, 307675, 326975, 349525, 356903, 405449, 406925, 472033, 504587, 545875, 633215, 676885, 895235, 921475, 1236125, 1439125, 1538375, 1634875, 1747625, 1784515, 2027245, 2034625, 2360165, 2522935, 3166075, 3384425, 3925933, 4476175, 4607375, 5192363, 5550457, 8922575, 10136225, 11800825, 12614675, 14633023, 15830375, 16922125, 19629665, 22380875, 25961815, 27752285, 44612875, 50681125, 59004125, 63073375, 73165115, 98148325, 129809075, 138761425, 160963253, 365825575, 490741625, 649045375, 693807125, 804816265, 1829127875, 4024081325, 20120406625]

約数ペア:

[(1, 20120406625), (5, 4024081325), (11, 1829127875), (25, 804816265), (29, 693807125), (31, 649045375), (41, 490741625), (55, 365825575), (125, 160963253), (145, 138761425), (155, 129809075), (205, 98148325), (275, 73165115), (319, 63073375), (341, 59004125), (397, 50681125), (451, 44612875), (725, 27752285), (775, 25961815), (899, 22380875), (1025, 19629665), (1189, 16922125), (1271, 15830375), (1375, 14633023), (1595, 12614675), (1705, 11800825), (1985, 10136225), (2255, 8922575), (3625, 5550457), (3875, 5192363), (4367, 4607375), (4495, 4476175), (5125, 3925933), (5945, 3384425), (6355, 3166075), (7975, 2522935), (8525, 2360165), (9889, 2034625), (9925, 2027245), (11275, 1784515), (11513, 1747625), (12307, 1634875), (13079, 1538375), (13981, 1439125), (16277, 1236125), (21835, 921475), (22475, 895235), (29725, 676885), (31775, 633215), (36859, 545875), (39875, 504587), (42625, 472033), (49445, 406925), (49625, 405449), (56375, 356903), (57565, 349525), (61535, 326975), (65395, 307675), (69905, 287825), (81385, 247225), (109175, 184295), (112375, 179047), (126643, 158875), (135377, 148625)]