207949160

素因数分解:

$2^3\times 5^1\times {\mathrm{5198729}}^1$

素因数の和:5198740

約数の個数: 16

約数和(自身を含む): 467885700

約数和(自身を除く): 259936540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5198729, 10397458, 20794916, 25993645, 41589832, 51987290, 103974580, 207949160]

約数ペア:

[(1, 207949160), (2, 103974580), (4, 51987290), (5, 41589832), (8, 25993645), (10, 20794916), (20, 10397458), (40, 5198729)]