131129080

素因数分解:

$2^3\times 5^1\times {\mathrm{3278227}}^1$

素因数の和:3278238

約数の個数: 16

約数和(自身を含む): 295040520

約数和(自身を除く): 163911440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3278227, 6556454, 13112908, 16391135, 26225816, 32782270, 65564540, 131129080]

約数ペア:

[(1, 131129080), (2, 65564540), (4, 32782270), (5, 26225816), (8, 16391135), (10, 13112908), (20, 6556454), (40, 3278227)]