80875390

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{113909}}^1$

素因数の和:113987

約数の個数: 16

約数和(自身を含む): 147627360

約数和(自身を除く): 66751970

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 113909, 227818, 569545, 1139090, 8087539, 16175078, 40437695, 80875390]

約数ペア:

[(1, 80875390), (2, 40437695), (5, 16175078), (10, 8087539), (71, 1139090), (142, 569545), (355, 227818), (710, 113909)]