16531580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:175

約数の個数: 72

約数和(自身を含む): 38675952

約数和(自身を除く): 22144372

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 73, 130, 134, 146, 169, 260, 268, 292, 335, 338, 365, 670, 676, 730, 845, 871, 949, 1340, 1460, 1690, 1742, 1898, 3380, 3484, 3796, 4355, 4745, 4891, 8710, 9490, 9782, 11323, 12337, 17420, 18980, 19564, 22646, 24455, 24674, 45292, 48910, 49348, 56615, 61685, 63583, 97820, 113230, 123370, 127166, 226460, 246740, 254332, 317915, 635830, 826579, 1271660, 1653158, 3306316, 4132895, 8265790, 16531580]

約数ペア:

[(1, 16531580), (2, 8265790), (4, 4132895), (5, 3306316), (10, 1653158), (13, 1271660), (20, 826579), (26, 635830), (52, 317915), (65, 254332), (67, 246740), (73, 226460), (130, 127166), (134, 123370), (146, 113230), (169, 97820), (260, 63583), (268, 61685), (292, 56615), (335, 49348), (338, 48910), (365, 45292), (670, 24674), (676, 24455), (730, 22646), (845, 19564), (871, 18980), (949, 17420), (1340, 12337), (1460, 11323), (1690, 9782), (1742, 9490), (1898, 8710), (3380, 4891), (3484, 4745), (3796, 4355)]