77369420

素因数分解:

$2^2\times 5^1\times {\mathrm{881}}^1\times {\mathrm{4391}}^1$

素因数の和:5281

約数の個数: 24

約数和(自身を含む): 162697248

約数和(自身を除く): 85327828

約数列:

[1, 2, 4, 5, 10, 20, 881, 1762, 3524, 4391, 4405, 8782, 8810, 17564, 17620, 21955, 43910, 87820, 3868471, 7736942, 15473884, 19342355, 38684710, 77369420]

約数ペア:

[(1, 77369420), (2, 38684710), (4, 19342355), (5, 15473884), (10, 7736942), (20, 3868471), (881, 87820), (1762, 43910), (3524, 21955), (4391, 17620), (4405, 17564), (8782, 8810)]