54651980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{143821}}^1$

素因数の和:143849

約数の個数: 24

約数和(自身を含む): 120810480

約数和(自身を除く): 66158500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 143821, 287642, 575284, 719105, 1438210, 2732599, 2876420, 5465198, 10930396, 13662995, 27325990, 54651980]

約数ペア:

[(1, 54651980), (2, 27325990), (4, 13662995), (5, 10930396), (10, 5465198), (19, 2876420), (20, 2732599), (38, 1438210), (76, 719105), (95, 575284), (190, 287642), (380, 143821)]