72499580

素因数分解:

$2^2\times 5^1\times {\mathrm{1069}}^1\times {\mathrm{3391}}^1$

素因数の和:4469

約数の個数: 24

約数和(自身を含む): 152436480

約数和(自身を除く): 79936900

約数列:

[1, 2, 4, 5, 10, 20, 1069, 2138, 3391, 4276, 5345, 6782, 10690, 13564, 16955, 21380, 33910, 67820, 3624979, 7249958, 14499916, 18124895, 36249790, 72499580]

約数ペア:

[(1, 72499580), (2, 36249790), (4, 18124895), (5, 14499916), (10, 7249958), (20, 3624979), (1069, 67820), (2138, 33910), (3391, 21380), (4276, 16955), (5345, 13564), (6782, 10690)]