420040640

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{45263}}^1$

素因数の和:45309

約数の個数: 56

約数和(自身を含む): 1034735040

約数和(自身を除く): 614694400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 145, 160, 232, 290, 320, 464, 580, 928, 1160, 1856, 2320, 4640, 9280, 45263, 90526, 181052, 226315, 362104, 452630, 724208, 905260, 1312627, 1448416, 1810520, 2625254, 2896832, 3621040, 5250508, 6563135, 7242080, 10501016, 13126270, 14484160, 21002032, 26252540, 42004064, 52505080, 84008128, 105010160, 210020320, 420040640]

約数ペア:

[(1, 420040640), (2, 210020320), (4, 105010160), (5, 84008128), (8, 52505080), (10, 42004064), (16, 26252540), (20, 21002032), (29, 14484160), (32, 13126270), (40, 10501016), (58, 7242080), (64, 6563135), (80, 5250508), (116, 3621040), (145, 2896832), (160, 2625254), (232, 1810520), (290, 1448416), (320, 1312627), (464, 905260), (580, 724208), (928, 452630), (1160, 362104), (1856, 226315), (2320, 181052), (4640, 90526), (9280, 45263)]