131127820

素因数分解:

$2^2\times 5^1\times {\mathrm{659}}^1\times {\mathrm{9949}}^1$

素因数の和:10617

約数の個数: 24

約数和(自身を含む): 275814000

約数和(自身を除く): 144686180

約数列:

[1, 2, 4, 5, 10, 20, 659, 1318, 2636, 3295, 6590, 9949, 13180, 19898, 39796, 49745, 99490, 198980, 6556391, 13112782, 26225564, 32781955, 65563910, 131127820]

約数ペア:

[(1, 131127820), (2, 65563910), (4, 32781955), (5, 26225564), (10, 13112782), (20, 6556391), (659, 198980), (1318, 99490), (2636, 49745), (3295, 39796), (6590, 19898), (9949, 13180)]