6640660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25541}}^1$

素因数の和:25563

約数の個数: 24

約数和(自身を含む): 15018696

約数和(自身を除く): 8378036

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 25541, 51082, 102164, 127705, 255410, 332033, 510820, 664066, 1328132, 1660165, 3320330, 6640660]

約数ペア:

[(1, 6640660), (2, 3320330), (4, 1660165), (5, 1328132), (10, 664066), (13, 510820), (20, 332033), (26, 255410), (52, 127705), (65, 102164), (130, 51082), (260, 25541)]