11212540

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2657}}^1$

素因数の和:2877

約数の個数: 24

約数和(自身を含む): 23666832

約数和(自身を除く): 12454292

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 2657, 4220, 5314, 10628, 13285, 26570, 53140, 560627, 1121254, 2242508, 2803135, 5606270, 11212540]

約数ペア:

[(1, 11212540), (2, 5606270), (4, 2803135), (5, 2242508), (10, 1121254), (20, 560627), (211, 53140), (422, 26570), (844, 13285), (1055, 10628), (2110, 5314), (2657, 4220)]