10400900

素因数分解:

$2^2\times 5^2\times {\mathrm{104009}}^1$

素因数の和:104023

約数の個数: 18

約数和(自身を含む): 22570170

約数和(自身を除く): 12169270

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 104009, 208018, 416036, 520045, 1040090, 2080180, 2600225, 5200450, 10400900]

約数ペア:

[(1, 10400900), (2, 5200450), (4, 2600225), (5, 2080180), (10, 1040090), (20, 520045), (25, 416036), (50, 208018), (100, 104009)]