1625544020

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{193979}}^1$

素因数の和:194407

約数の個数: 24

約数和(自身を含む): 3421807200

約数和(自身を除く): 1796263180

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 2095, 4190, 8380, 193979, 387958, 775916, 969895, 1939790, 3879580, 81277201, 162554402, 325108804, 406386005, 812772010, 1625544020]

約数ペア:

[(1, 1625544020), (2, 812772010), (4, 406386005), (5, 325108804), (10, 162554402), (20, 81277201), (419, 3879580), (838, 1939790), (1676, 969895), (2095, 775916), (4190, 387958), (8380, 193979)]