31139560

素因数分解:

$2^3\times 5^1\times {\mathrm{467}}^1\times {\mathrm{1667}}^1$

素因数の和:2145

約数の個数: 32

約数和(自身を含む): 70256160

約数和(自身を除く): 39116600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 467, 934, 1667, 1868, 2335, 3334, 3736, 4670, 6668, 8335, 9340, 13336, 16670, 18680, 33340, 66680, 778489, 1556978, 3113956, 3892445, 6227912, 7784890, 15569780, 31139560]

約数ペア:

[(1, 31139560), (2, 15569780), (4, 7784890), (5, 6227912), (8, 3892445), (10, 3113956), (20, 1556978), (40, 778489), (467, 66680), (934, 33340), (1667, 18680), (1868, 16670), (2335, 13336), (3334, 9340), (3736, 8335), (4670, 6668)]