56407640

素因数分解:

$2^3\times 5^1\times {\mathrm{677}}^1\times {\mathrm{2083}}^1$

素因数の和:2771

約数の個数: 32

約数和(自身を含む): 127165680

約数和(自身を除く): 70758040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 677, 1354, 2083, 2708, 3385, 4166, 5416, 6770, 8332, 10415, 13540, 16664, 20830, 27080, 41660, 83320, 1410191, 2820382, 5640764, 7050955, 11281528, 14101910, 28203820, 56407640]

約数ペア:

[(1, 56407640), (2, 28203820), (4, 14101910), (5, 11281528), (8, 7050955), (10, 5640764), (20, 2820382), (40, 1410191), (677, 83320), (1354, 41660), (2083, 27080), (2708, 20830), (3385, 16664), (4166, 13540), (5416, 10415), (6770, 8332)]