99807080

素因数分解:

$2^3\times 5^1\times {\mathrm{2495177}}^1$

素因数の和:2495188

約数の個数: 16

約数和(自身を含む): 224566020

約数和(自身を除く): 124758940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2495177, 4990354, 9980708, 12475885, 19961416, 24951770, 49903540, 99807080]

約数ペア:

[(1, 99807080), (2, 49903540), (4, 24951770), (5, 19961416), (8, 12475885), (10, 9980708), (20, 4990354), (40, 2495177)]