31053340

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{3911}}^1$

素因数の和:4317

約数の個数: 24

約数和(自身を含む): 65392992

約数和(自身を除く): 34339652

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 3911, 3970, 7822, 7940, 15644, 19555, 39110, 78220, 1552667, 3105334, 6210668, 7763335, 15526670, 31053340]

約数ペア:

[(1, 31053340), (2, 15526670), (4, 7763335), (5, 6210668), (10, 3105334), (20, 1552667), (397, 78220), (794, 39110), (1588, 19555), (1985, 15644), (3911, 7940), (3970, 7822)]