79920380

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{35363}}^1$

素因数の和:35485

約数の個数: 24

約数和(自身を含む): 169322832

約数和(自身を除く): 89402452

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 35363, 70726, 141452, 176815, 353630, 707260, 3996019, 7992038, 15984076, 19980095, 39960190, 79920380]

約数ペア:

[(1, 79920380), (2, 39960190), (4, 19980095), (5, 15984076), (10, 7992038), (20, 3996019), (113, 707260), (226, 353630), (452, 176815), (565, 141452), (1130, 70726), (2260, 35363)]