80880160

素因数分解:

$2^5\times 5^1\times {\mathrm{505501}}^1$

素因数の和:505516

約数の個数: 24

約数和(自身を含む): 191079756

約数和(自身を除く): 110199596

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 505501, 1011002, 2022004, 2527505, 4044008, 5055010, 8088016, 10110020, 16176032, 20220040, 40440080, 80880160]

約数ペア:

[(1, 80880160), (2, 40440080), (4, 20220040), (5, 16176032), (8, 10110020), (10, 8088016), (16, 5055010), (20, 4044008), (32, 2527505), (40, 2022004), (80, 1011002), (160, 505501)]