7655980

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1223}}^1$

素因数の和:1545

約数の個数: 24

約数和(自身を含む): 16142112

約数和(自身を除く): 8486132

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1223, 1252, 1565, 2446, 3130, 4892, 6115, 6260, 12230, 24460, 382799, 765598, 1531196, 1913995, 3827990, 7655980]

約数ペア:

[(1, 7655980), (2, 3827990), (4, 1913995), (5, 1531196), (10, 765598), (20, 382799), (313, 24460), (626, 12230), (1223, 6260), (1252, 6115), (1565, 4892), (2446, 3130)]