77304820

素因数分解:

$2^2\times 5^1\times {\mathrm{1831}}^1\times {\mathrm{2111}}^1$

素因数の和:3951

約数の個数: 24

約数和(自身を含む): 162505728

約数和(自身を除く): 85200908

約数列:

[1, 2, 4, 5, 10, 20, 1831, 2111, 3662, 4222, 7324, 8444, 9155, 10555, 18310, 21110, 36620, 42220, 3865241, 7730482, 15460964, 19326205, 38652410, 77304820]

約数ペア:

[(1, 77304820), (2, 38652410), (4, 19326205), (5, 15460964), (10, 7730482), (20, 3865241), (1831, 42220), (2111, 36620), (3662, 21110), (4222, 18310), (7324, 10555), (8444, 9155)]