40702520

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{3251}}^1$

素因数の和:3575

約数の個数: 32

約数和(自身を含む): 91901520

約数和(自身を除く): 51199000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 3251, 6260, 6502, 12520, 13004, 16255, 26008, 32510, 65020, 130040, 1017563, 2035126, 4070252, 5087815, 8140504, 10175630, 20351260, 40702520]

約数ペア:

[(1, 40702520), (2, 20351260), (4, 10175630), (5, 8140504), (8, 5087815), (10, 4070252), (20, 2035126), (40, 1017563), (313, 130040), (626, 65020), (1252, 32510), (1565, 26008), (2504, 16255), (3130, 13004), (3251, 12520), (6260, 6502)]