126333640

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{39979}}^1$

素因数の和:40069

約数の個数: 32

約数和(自身を含む): 287856000

約数和(自身を除く): 161522360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 39979, 79958, 159916, 199895, 319832, 399790, 799580, 1599160, 3158341, 6316682, 12633364, 15791705, 25266728, 31583410, 63166820, 126333640]

約数ペア:

[(1, 126333640), (2, 63166820), (4, 31583410), (5, 25266728), (8, 15791705), (10, 12633364), (20, 6316682), (40, 3158341), (79, 1599160), (158, 799580), (316, 399790), (395, 319832), (632, 199895), (790, 159916), (1580, 79958), (3160, 39979)]