71639740

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{31699}}^1$

素因数の和:31821

約数の個数: 24

約数和(自身を含む): 151779600

約数和(自身を除く): 80139860

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 31699, 63398, 126796, 158495, 316990, 633980, 3581987, 7163974, 14327948, 17909935, 35819870, 71639740]

約数ペア:

[(1, 71639740), (2, 35819870), (4, 17909935), (5, 14327948), (10, 7163974), (20, 3581987), (113, 633980), (226, 316990), (452, 158495), (565, 126796), (1130, 63398), (2260, 31699)]