31421120

素因数分解:

$2^6\times 5^1\times {\mathrm{149}}^1\times {\mathrm{659}}^1$

素因数の和:825

約数の個数: 56

約数和(自身を含む): 75438000

約数和(自身を除く): 44016880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 149, 160, 298, 320, 596, 659, 745, 1192, 1318, 1490, 2384, 2636, 2980, 3295, 4768, 5272, 5960, 6590, 9536, 10544, 11920, 13180, 21088, 23840, 26360, 42176, 47680, 52720, 98191, 105440, 196382, 210880, 392764, 490955, 785528, 981910, 1571056, 1963820, 3142112, 3927640, 6284224, 7855280, 15710560, 31421120]

約数ペア:

[(1, 31421120), (2, 15710560), (4, 7855280), (5, 6284224), (8, 3927640), (10, 3142112), (16, 1963820), (20, 1571056), (32, 981910), (40, 785528), (64, 490955), (80, 392764), (149, 210880), (160, 196382), (298, 105440), (320, 98191), (596, 52720), (659, 47680), (745, 42176), (1192, 26360), (1318, 23840), (1490, 21088), (2384, 13180), (2636, 11920), (2980, 10544), (3295, 9536), (4768, 6590), (5272, 5960)]