2016129700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{821}}^1\times {\mathrm{1889}}^1$

素因数の和:2737

約数の個数: 72

約数和(自身を含む): 4719776040

約数和(自身を除く): 2703646340

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 821, 1300, 1642, 1889, 3284, 3778, 4105, 7556, 8210, 9445, 10673, 16420, 18890, 20525, 21346, 24557, 37780, 41050, 42692, 47225, 49114, 53365, 82100, 94450, 98228, 106730, 122785, 188900, 213460, 245570, 266825, 491140, 533650, 613925, 1067300, 1227850, 1550869, 2455700, 3101738, 6203476, 7754345, 15508690, 20161297, 31017380, 38771725, 40322594, 77543450, 80645188, 100806485, 155086900, 201612970, 403225940, 504032425, 1008064850, 2016129700]

約数ペア:

[(1, 2016129700), (2, 1008064850), (4, 504032425), (5, 403225940), (10, 201612970), (13, 155086900), (20, 100806485), (25, 80645188), (26, 77543450), (50, 40322594), (52, 38771725), (65, 31017380), (100, 20161297), (130, 15508690), (260, 7754345), (325, 6203476), (650, 3101738), (821, 2455700), (1300, 1550869), (1642, 1227850), (1889, 1067300), (3284, 613925), (3778, 533650), (4105, 491140), (7556, 266825), (8210, 245570), (9445, 213460), (10673, 188900), (16420, 122785), (18890, 106730), (20525, 98228), (21346, 94450), (24557, 82100), (37780, 53365), (41050, 49114), (42692, 47225)]