4128804580

素因数分解:

$2^2\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{202591}}^1$

素因数の和:203619

約数の個数: 24

約数和(自身を含む): 8679041280

約数和(自身を除く): 4550236700

約数列:

[1, 2, 4, 5, 10, 20, 1019, 2038, 4076, 5095, 10190, 20380, 202591, 405182, 810364, 1012955, 2025910, 4051820, 206440229, 412880458, 825760916, 1032201145, 2064402290, 4128804580]

約数ペア:

[(1, 4128804580), (2, 2064402290), (4, 1032201145), (5, 825760916), (10, 412880458), (20, 206440229), (1019, 4051820), (2038, 2025910), (4076, 1012955), (5095, 810364), (10190, 405182), (20380, 202591)]