208526840

素因数分解:

$2^3\times 5^1\times {\mathrm{5213171}}^1$

素因数の和:5213182

約数の個数: 16

約数和(自身を含む): 469185480

約数和(自身を除く): 260658640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5213171, 10426342, 20852684, 26065855, 41705368, 52131710, 104263420, 208526840]

約数ペア:

[(1, 208526840), (2, 104263420), (4, 52131710), (5, 41705368), (8, 26065855), (10, 20852684), (20, 10426342), (40, 5213171)]