72776980

素因数分解:

$2^2\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{3571}}^1$

素因数の和:4599

約数の個数: 24

約数和(自身を含む): 153024480

約数和(自身を除く): 80247500

約数列:

[1, 2, 4, 5, 10, 20, 1019, 2038, 3571, 4076, 5095, 7142, 10190, 14284, 17855, 20380, 35710, 71420, 3638849, 7277698, 14555396, 18194245, 36388490, 72776980]

約数ペア:

[(1, 72776980), (2, 36388490), (4, 18194245), (5, 14555396), (10, 7277698), (20, 3638849), (1019, 71420), (2038, 35710), (3571, 20380), (4076, 17855), (5095, 14284), (7142, 10190)]