1288332020

素因数分解:

$2^2\times 5^1\times {\mathrm{887}}^1\times {\mathrm{72623}}^1$

素因数の和:73519

約数の個数: 24

約数和(自身を含む): 2708584704

約数和(自身を除く): 1420252684

約数列:

[1, 2, 4, 5, 10, 20, 887, 1774, 3548, 4435, 8870, 17740, 72623, 145246, 290492, 363115, 726230, 1452460, 64416601, 128833202, 257666404, 322083005, 644166010, 1288332020]

約数ペア:

[(1, 1288332020), (2, 644166010), (4, 322083005), (5, 257666404), (10, 128833202), (20, 64416601), (887, 1452460), (1774, 726230), (3548, 363115), (4435, 290492), (8870, 145246), (17740, 72623)]