25085680

素因数分解:

$2^4\times 5^1\times {\mathrm{313571}}^1$

素因数の和:313584

約数の個数: 20

約数和(自身を含む): 58324392

約数和(自身を除く): 33238712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 313571, 627142, 1254284, 1567855, 2508568, 3135710, 5017136, 6271420, 12542840, 25085680]

約数ペア:

[(1, 25085680), (2, 12542840), (4, 6271420), (5, 5017136), (8, 3135710), (10, 2508568), (16, 1567855), (20, 1254284), (40, 627142), (80, 313571)]