8230820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31657}}^1$

素因数の和:31679

約数の個数: 24

約数和(自身を含む): 18614904

約数和(自身を除く): 10384084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 31657, 63314, 126628, 158285, 316570, 411541, 633140, 823082, 1646164, 2057705, 4115410, 8230820]

約数ペア:

[(1, 8230820), (2, 4115410), (4, 2057705), (5, 1646164), (10, 823082), (13, 633140), (20, 411541), (26, 316570), (52, 158285), (65, 126628), (130, 63314), (260, 31657)]