66116980

素因数分解:

$2^2\times 5^1\times {\mathrm{887}}^1\times {\mathrm{3727}}^1$

素因数の和:4623

約数の個数: 24

約数和(自身を含む): 139039488

約数和(自身を除く): 72922508

約数列:

[1, 2, 4, 5, 10, 20, 887, 1774, 3548, 3727, 4435, 7454, 8870, 14908, 17740, 18635, 37270, 74540, 3305849, 6611698, 13223396, 16529245, 33058490, 66116980]

約数ペア:

[(1, 66116980), (2, 33058490), (4, 16529245), (5, 13223396), (10, 6611698), (20, 3305849), (887, 74540), (1774, 37270), (3548, 18635), (3727, 17740), (4435, 14908), (7454, 8870)]