21960160

素因数分解:

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

素因数の和:137266

約数の個数: 24

約数和(自身を含む): 51881256

約数和(自身を除く): 29921096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 137251, 274502, 549004, 686255, 1098008, 1372510, 2196016, 2745020, 4392032, 5490040, 10980080, 21960160]

約数ペア:

[(1, 21960160), (2, 10980080), (4, 5490040), (5, 4392032), (8, 2745020), (10, 2196016), (16, 1372510), (20, 1098008), (32, 686255), (40, 549004), (80, 274502), (160, 137251)]