66871660

素因数分解:

$2^2\times 5^1\times {\mathrm{1471}}^1\times {\mathrm{2273}}^1$

素因数の和:3753

約数の個数: 24

約数和(自身を含む): 140587776

約数和(自身を除く): 73716116

約数列:

[1, 2, 4, 5, 10, 20, 1471, 2273, 2942, 4546, 5884, 7355, 9092, 11365, 14710, 22730, 29420, 45460, 3343583, 6687166, 13374332, 16717915, 33435830, 66871660]

約数ペア:

[(1, 66871660), (2, 33435830), (4, 16717915), (5, 13374332), (10, 6687166), (20, 3343583), (1471, 45460), (2273, 29420), (2942, 22730), (4546, 14710), (5884, 11365), (7355, 9092)]