204026840

素因数分解:

$2^3\times 5^1\times {\mathrm{5100671}}^1$

素因数の和:5100682

約数の個数: 16

約数和(自身を含む): 459060480

約数和(自身を除く): 255033640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5100671, 10201342, 20402684, 25503355, 40805368, 51006710, 102013420, 204026840]

約数ペア:

[(1, 204026840), (2, 102013420), (4, 51006710), (5, 40805368), (8, 25503355), (10, 20402684), (20, 10201342), (40, 5100671)]