8131390

素因数分解:

$2^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1811}}^1$

素因数の和:2267

約数の個数: 16

約数和(自身を含む): 14677200

約数和(自身を除く): 6545810

約数列:

[1, 2, 5, 10, 449, 898, 1811, 2245, 3622, 4490, 9055, 18110, 813139, 1626278, 4065695, 8131390]

約数ペア:

[(1, 8131390), (2, 4065695), (5, 1626278), (10, 813139), (449, 18110), (898, 9055), (1811, 4490), (2245, 3622)]