40387640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{14221}}^1$

素因数の和:14303

約数の個数: 32

約数和(自身を含む): 92158560

約数和(自身を除く): 51770920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 14221, 28442, 56884, 71105, 113768, 142210, 284420, 568840, 1009691, 2019382, 4038764, 5048455, 8077528, 10096910, 20193820, 40387640]

約数ペア:

[(1, 40387640), (2, 20193820), (4, 10096910), (5, 8077528), (8, 5048455), (10, 4038764), (20, 2019382), (40, 1009691), (71, 568840), (142, 284420), (284, 142210), (355, 113768), (568, 71105), (710, 56884), (1420, 28442), (2840, 14221)]