56479540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{217229}}^1$

素因数の和:217251

約数の個数: 24

約数和(自身を含む): 127731240

約数和(自身を除く): 71251700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 217229, 434458, 868916, 1086145, 2172290, 2823977, 4344580, 5647954, 11295908, 14119885, 28239770, 56479540]

約数ペア:

[(1, 56479540), (2, 28239770), (4, 14119885), (5, 11295908), (10, 5647954), (13, 4344580), (20, 2823977), (26, 2172290), (52, 1086145), (65, 868916), (130, 434458), (260, 217229)]