208045160

素因数分解:

$2^3\times 5^1\times {\mathrm{5201129}}^1$

素因数の和:5201140

約数の個数: 16

約数和(自身を含む): 468101700

約数和(自身を除く): 260056540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5201129, 10402258, 20804516, 26005645, 41609032, 52011290, 104022580, 208045160]

約数ペア:

[(1, 208045160), (2, 104022580), (4, 52011290), (5, 41609032), (8, 26005645), (10, 20804516), (20, 10402258), (40, 5201129)]