82615640

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{11411}}^1$

素因数の和:11603

約数の個数: 32

約数和(自身を含む): 186928560

約数和(自身を除く): 104312920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 11411, 22822, 45644, 57055, 91288, 114110, 228220, 456440, 2065391, 4130782, 8261564, 10326955, 16523128, 20653910, 41307820, 82615640]

約数ペア:

[(1, 82615640), (2, 41307820), (4, 20653910), (5, 16523128), (8, 10326955), (10, 8261564), (20, 4130782), (40, 2065391), (181, 456440), (362, 228220), (724, 114110), (905, 91288), (1448, 57055), (1810, 45644), (3620, 22822), (7240, 11411)]