202115560

素因数分解:

$2^3\times 5^1\times {\mathrm{5052889}}^1$

素因数の和:5052900

約数の個数: 16

約数和(自身を含む): 454760100

約数和(自身を除く): 252644540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5052889, 10105778, 20211556, 25264445, 40423112, 50528890, 101057780, 202115560]

約数ペア:

[(1, 202115560), (2, 101057780), (4, 50528890), (5, 40423112), (8, 25264445), (10, 20211556), (20, 10105778), (40, 5052889)]