79643990

素因数分解:

$2^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{25609}}^1$

素因数の和:25927

約数の個数: 16

約数和(自身を含む): 143825760

約数和(自身を除く): 64181770

約数列:

[1, 2, 5, 10, 311, 622, 1555, 3110, 25609, 51218, 128045, 256090, 7964399, 15928798, 39821995, 79643990]

約数ペア:

[(1, 79643990), (2, 39821995), (5, 15928798), (10, 7964399), (311, 256090), (622, 128045), (1555, 51218), (3110, 25609)]