20169720400

素因数分解:

$2^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{42409}}^1$

素因数の和:42497

約数の個数: 120

約数和(自身を含む): 51352572600

約数和(自身を除く): 31182852200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 41, 50, 58, 80, 82, 100, 116, 145, 164, 200, 205, 232, 290, 328, 400, 410, 464, 580, 656, 725, 820, 1025, 1160, 1189, 1450, 1640, 2050, 2320, 2378, 2900, 3280, 4100, 4756, 5800, 5945, 8200, 9512, 11600, 11890, 16400, 19024, 23780, 29725, 42409, 47560, 59450, 84818, 95120, 118900, 169636, 212045, 237800, 339272, 424090, 475600, 678544, 848180, 1060225, 1229861, 1696360, 1738769, 2120450, 2459722, 3392720, 3477538, 4240900, 4919444, 6149305, 6955076, 8481800, 8693845, 9838888, 12298610, 13910152, 16963600, 17387690, 19677776, 24597220, 27820304, 30746525, 34775380, 43469225, 49194440, 50424301, 61493050, 69550760, 86938450, 98388880, 100848602, 122986100, 139101520, 173876900, 201697204, 245972200, 252121505, 347753800, 403394408, 491944400, 504243010, 695507600, 806788816, 1008486020, 1260607525, 2016972040, 2521215050, 4033944080, 5042430100, 10084860200, 20169720400]

約数ペア:

[(1, 20169720400), (2, 10084860200), (4, 5042430100), (5, 4033944080), (8, 2521215050), (10, 2016972040), (16, 1260607525), (20, 1008486020), (25, 806788816), (29, 695507600), (40, 504243010), (41, 491944400), (50, 403394408), (58, 347753800), (80, 252121505), (82, 245972200), (100, 201697204), (116, 173876900), (145, 139101520), (164, 122986100), (200, 100848602), (205, 98388880), (232, 86938450), (290, 69550760), (328, 61493050), (400, 50424301), (410, 49194440), (464, 43469225), (580, 34775380), (656, 30746525), (725, 27820304), (820, 24597220), (1025, 19677776), (1160, 17387690), (1189, 16963600), (1450, 13910152), (1640, 12298610), (2050, 9838888), (2320, 8693845), (2378, 8481800), (2900, 6955076), (3280, 6149305), (4100, 4919444), (4756, 4240900), (5800, 3477538), (5945, 3392720), (8200, 2459722), (9512, 2120450), (11600, 1738769), (11890, 1696360), (16400, 1229861), (19024, 1060225), (23780, 848180), (29725, 678544), (42409, 475600), (47560, 424090), (59450, 339272), (84818, 237800), (95120, 212045), (118900, 169636)]