77072020

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{12391}}^1$

素因数の和:12711

約数の個数: 24

約数和(自身を含む): 162384768

約数和(自身を除く): 85312748

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 6220, 12391, 24782, 49564, 61955, 123910, 247820, 3853601, 7707202, 15414404, 19268005, 38536010, 77072020]

約数ペア:

[(1, 77072020), (2, 38536010), (4, 19268005), (5, 15414404), (10, 7707202), (20, 3853601), (311, 247820), (622, 123910), (1244, 61955), (1555, 49564), (3110, 24782), (6220, 12391)]