7890340

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1637}}^1$

素因数の和:1887

約数の個数: 24

約数和(自身を含む): 16648632

約数和(自身を除く): 8758292

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 1637, 2410, 3274, 4820, 6548, 8185, 16370, 32740, 394517, 789034, 1578068, 1972585, 3945170, 7890340]

約数ペア:

[(1, 7890340), (2, 3945170), (4, 1972585), (5, 1578068), (10, 789034), (20, 394517), (241, 32740), (482, 16370), (964, 8185), (1205, 6548), (1637, 4820), (2410, 3274)]