9990080

素因数分解:

$2^6\times 5^1\times {\mathrm{31219}}^1$

素因数の和:31236

約数の個数: 28

約数和(自身を含む): 23789640

約数和(自身を除く): 13799560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 31219, 62438, 124876, 156095, 249752, 312190, 499504, 624380, 999008, 1248760, 1998016, 2497520, 4995040, 9990080]

約数ペア:

[(1, 9990080), (2, 4995040), (4, 2497520), (5, 1998016), (8, 1248760), (10, 999008), (16, 624380), (20, 499504), (32, 312190), (40, 249752), (64, 156095), (80, 124876), (160, 62438), (320, 31219)]