20280222725

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1439}}^1\times {\mathrm{2777}}^1$

素因数の和:4262

約数の個数: 48

約数和(自身を含む): 29762380800

約数和(自身を除く): 9482158075

約数列:

[1, 5, 7, 25, 29, 35, 145, 175, 203, 725, 1015, 1439, 2777, 5075, 7195, 10073, 13885, 19439, 35975, 41731, 50365, 69425, 80533, 97195, 208655, 251825, 292117, 402665, 485975, 563731, 1043275, 1460585, 2013325, 2818655, 3996103, 7302925, 14093275, 19980515, 27972721, 99902575, 115886987, 139863605, 579434935, 699318025, 811208909, 2897174675, 4056044545, 20280222725]

約数ペア:

[(1, 20280222725), (5, 4056044545), (7, 2897174675), (25, 811208909), (29, 699318025), (35, 579434935), (145, 139863605), (175, 115886987), (203, 99902575), (725, 27972721), (1015, 19980515), (1439, 14093275), (2777, 7302925), (5075, 3996103), (7195, 2818655), (10073, 2013325), (13885, 1460585), (19439, 1043275), (35975, 563731), (41731, 485975), (50365, 402665), (69425, 292117), (80533, 251825), (97195, 208655)]