31056920

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{6871}}^1$

素因数の和:6995

約数の個数: 32

約数和(自身を含む): 70506720

約数和(自身を除く): 39449800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 6871, 13742, 27484, 34355, 54968, 68710, 137420, 274840, 776423, 1552846, 3105692, 3882115, 6211384, 7764230, 15528460, 31056920]

約数ペア:

[(1, 31056920), (2, 15528460), (4, 7764230), (5, 6211384), (8, 3882115), (10, 3105692), (20, 1552846), (40, 776423), (113, 274840), (226, 137420), (452, 68710), (565, 54968), (904, 34355), (1130, 27484), (2260, 13742), (4520, 6871)]