87340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1$

素因数の和:417

約数の個数: 24

約数和(自身を含む): 200592

約数和(自身を除く): 113252

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 397, 794, 1588, 1985, 3970, 4367, 7940, 8734, 17468, 21835, 43670, 87340]

約数ペア:

[(1, 87340), (2, 43670), (4, 21835), (5, 17468), (10, 8734), (11, 7940), (20, 4367), (22, 3970), (44, 1985), (55, 1588), (110, 794), (220, 397)]