127540660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{490541}}^1$

素因数の和:490563

約数の個数: 24

約数和(自身を含む): 288438696

約数和(自身を除く): 160898036

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 490541, 981082, 1962164, 2452705, 4905410, 6377033, 9810820, 12754066, 25508132, 31885165, 63770330, 127540660]

約数ペア:

[(1, 127540660), (2, 63770330), (4, 31885165), (5, 25508132), (10, 12754066), (13, 9810820), (20, 6377033), (26, 4905410), (52, 2452705), (65, 1962164), (130, 981082), (260, 490541)]