10872580

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3911}}^1$

素因数の和:4059

約数の個数: 24

約数和(自身を含む): 23002560

約数和(自身を除く): 12129980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 3911, 7822, 15644, 19555, 39110, 78220, 543629, 1087258, 2174516, 2718145, 5436290, 10872580]

約数ペア:

[(1, 10872580), (2, 5436290), (4, 2718145), (5, 2174516), (10, 1087258), (20, 543629), (139, 78220), (278, 39110), (556, 19555), (695, 15644), (1390, 7822), (2780, 3911)]