55899560

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{12821}}^1$

素因数の和:12941

約数の個数: 32

約数和(自身を含む): 126937800

約数和(自身を除く): 71038240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 12821, 25642, 51284, 64105, 102568, 128210, 256420, 512840, 1397489, 2794978, 5589956, 6987445, 11179912, 13974890, 27949780, 55899560]

約数ペア:

[(1, 55899560), (2, 27949780), (4, 13974890), (5, 11179912), (8, 6987445), (10, 5589956), (20, 2794978), (40, 1397489), (109, 512840), (218, 256420), (436, 128210), (545, 102568), (872, 64105), (1090, 51284), (2180, 25642), (4360, 12821)]