2489080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5657}}^1$

素因数の和:5679

約数の個数: 32

約数和(自身を含む): 6110640

約数和(自身を除く): 3621560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 5657, 11314, 22628, 28285, 45256, 56570, 62227, 113140, 124454, 226280, 248908, 311135, 497816, 622270, 1244540, 2489080]

約数ペア:

[(1, 2489080), (2, 1244540), (4, 622270), (5, 497816), (8, 311135), (10, 248908), (11, 226280), (20, 124454), (22, 113140), (40, 62227), (44, 56570), (55, 45256), (88, 28285), (110, 22628), (220, 11314), (440, 5657)]