10040720

素因数分解:

$2^4\times 5^1\times {\mathrm{125509}}^1$

素因数の和:125522

約数の個数: 20

約数和(自身を含む): 23344860

約数和(自身を除く): 13304140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 125509, 251018, 502036, 627545, 1004072, 1255090, 2008144, 2510180, 5020360, 10040720]

約数ペア:

[(1, 10040720), (2, 5020360), (4, 2510180), (5, 2008144), (8, 1255090), (10, 1004072), (16, 627545), (20, 502036), (40, 251018), (80, 125509)]