161569881080

素因数分解:

$2^3\times 5^1\times {\mathrm{4039247027}}^1$

素因数の和:4039247038

約数の個数: 16

約数和(自身を含む): 363532232520

約数和(自身を除く): 201962351440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4039247027, 8078494054, 16156988108, 20196235135, 32313976216, 40392470270, 80784940540, 161569881080]

約数ペア:

[(1, 161569881080), (2, 80784940540), (4, 40392470270), (5, 32313976216), (8, 20196235135), (10, 16156988108), (20, 8078494054), (40, 4039247027)]