13775920

素因数分解:

$2^4\times 5^1\times {\mathrm{172199}}^1$

素因数の和:172212

約数の個数: 20

約数和(自身を含む): 32029200

約数和(自身を除く): 18253280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 172199, 344398, 688796, 860995, 1377592, 1721990, 2755184, 3443980, 6887960, 13775920]

約数ペア:

[(1, 13775920), (2, 6887960), (4, 3443980), (5, 2755184), (8, 1721990), (10, 1377592), (16, 860995), (20, 688796), (40, 344398), (80, 172199)]