40440080

素因数分解:

$2^4\times 5^1\times {\mathrm{505501}}^1$

素因数の和:505514

約数の個数: 20

約数和(自身を含む): 94023372

約数和(自身を除く): 53583292

約数列:

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

約数ペア:

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