74940020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{120871}}^1$

素因数の和:120911

約数の個数: 24

約数和(自身を含む): 162451968

約数和(自身を除く): 87511948

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 120871, 241742, 483484, 604355, 1208710, 2417420, 3747001, 7494002, 14988004, 18735005, 37470010, 74940020]

約数ペア:

[(1, 74940020), (2, 37470010), (4, 18735005), (5, 14988004), (10, 7494002), (20, 3747001), (31, 2417420), (62, 1208710), (124, 604355), (155, 483484), (310, 241742), (620, 120871)]