80209660

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{35491}}^1$

素因数の和:35613

約数の個数: 24

約数和(自身を含む): 169935696

約数和(自身を除く): 89726036

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 35491, 70982, 141964, 177455, 354910, 709820, 4010483, 8020966, 16041932, 20052415, 40104830, 80209660]

約数ペア:

[(1, 80209660), (2, 40104830), (4, 20052415), (5, 16041932), (10, 8020966), (20, 4010483), (113, 709820), (226, 354910), (452, 177455), (565, 141964), (1130, 70982), (2260, 35491)]