31741580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{9391}}^1$

素因数の和:9426

約数の個数: 36

約数和(自身を含む): 72186912

約数和(自身を除く): 40445332

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 9391, 18782, 37564, 46955, 93910, 122083, 187820, 244166, 488332, 610415, 1220830, 1587079, 2441660, 3174158, 6348316, 7935395, 15870790, 31741580]

約数ペア:

[(1, 31741580), (2, 15870790), (4, 7935395), (5, 6348316), (10, 3174158), (13, 2441660), (20, 1587079), (26, 1220830), (52, 610415), (65, 488332), (130, 244166), (169, 187820), (260, 122083), (338, 93910), (676, 46955), (845, 37564), (1690, 18782), (3380, 9391)]