78100580

素因数分解:

$2^2\times 5^1\times {\mathrm{1549}}^1\times {\mathrm{2521}}^1$

素因数の和:4079

約数の個数: 24

約数和(自身を含む): 164182200

約数和(自身を除く): 86081620

約数列:

[1, 2, 4, 5, 10, 20, 1549, 2521, 3098, 5042, 6196, 7745, 10084, 12605, 15490, 25210, 30980, 50420, 3905029, 7810058, 15620116, 19525145, 39050290, 78100580]

約数ペア:

[(1, 78100580), (2, 39050290), (4, 19525145), (5, 15620116), (10, 7810058), (20, 3905029), (1549, 50420), (2521, 30980), (3098, 25210), (5042, 15490), (6196, 12605), (7745, 10084)]