80224580

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{26921}}^1$

素因数の和:27079

約数の個数: 24

約数和(自身を含む): 169608600

約数和(自身を除く): 89384020

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 26921, 53842, 107684, 134605, 269210, 538420, 4011229, 8022458, 16044916, 20056145, 40112290, 80224580]

約数ペア:

[(1, 80224580), (2, 40112290), (4, 20056145), (5, 16044916), (10, 8022458), (20, 4011229), (149, 538420), (298, 269210), (596, 134605), (745, 107684), (1490, 53842), (2980, 26921)]