55646680

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{12763}}^1$

素因数の和:12883

約数の個数: 32

約数和(自身を含む): 126363600

約数和(自身を除く): 70716920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 12763, 25526, 51052, 63815, 102104, 127630, 255260, 510520, 1391167, 2782334, 5564668, 6955835, 11129336, 13911670, 27823340, 55646680]

約数ペア:

[(1, 55646680), (2, 27823340), (4, 13911670), (5, 11129336), (8, 6955835), (10, 5564668), (20, 2782334), (40, 1391167), (109, 510520), (218, 255260), (436, 127630), (545, 102104), (872, 63815), (1090, 51052), (2180, 25526), (4360, 12763)]