9968355080

素因数分解:

$2^3\times 5^1\times {\mathrm{249208877}}^1$

素因数の和:249208888

約数の個数: 16

約数和(自身を含む): 22428799020

約数和(自身を除く): 12460443940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 249208877, 498417754, 996835508, 1246044385, 1993671016, 2492088770, 4984177540, 9968355080]

約数ペア:

[(1, 9968355080), (2, 4984177540), (4, 2492088770), (5, 1993671016), (8, 1246044385), (10, 996835508), (20, 498417754), (40, 249208877)]