40868920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23761}}^1$

素因数の和:23815

約数の個数: 32

約数和(自身を含む): 94097520

約数和(自身を除く): 53228600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 23761, 47522, 95044, 118805, 190088, 237610, 475220, 950440, 1021723, 2043446, 4086892, 5108615, 8173784, 10217230, 20434460, 40868920]

約数ペア:

[(1, 40868920), (2, 20434460), (4, 10217230), (5, 8173784), (8, 5108615), (10, 4086892), (20, 2043446), (40, 1021723), (43, 950440), (86, 475220), (172, 237610), (215, 190088), (344, 118805), (430, 95044), (860, 47522), (1720, 23761)]