10980080

素因数分解:

$2^4\times 5^1\times {\mathrm{137251}}^1$

素因数の和:137264

約数の個数: 20

約数和(自身を含む): 25528872

約数和(自身を除く): 14548792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137251, 274502, 549004, 686255, 1098008, 1372510, 2196016, 2745020, 5490040, 10980080]

約数ペア:

[(1, 10980080), (2, 5490040), (4, 2745020), (5, 2196016), (8, 1372510), (10, 1098008), (16, 686255), (20, 549004), (40, 274502), (80, 137251)]