2265020

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1039}}^1$

素因数の和:1157

約数の個数: 24

約数和(自身を含む): 4804800

約数和(自身を除く): 2539780

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1039, 1090, 2078, 2180, 4156, 5195, 10390, 20780, 113251, 226502, 453004, 566255, 1132510, 2265020]

約数ペア:

[(1, 2265020), (2, 1132510), (4, 566255), (5, 453004), (10, 226502), (20, 113251), (109, 20780), (218, 10390), (436, 5195), (545, 4156), (1039, 2180), (1090, 2078)]