125680

素因数分解:

$2^4\times 5^1\times {\mathrm{1571}}^1$

素因数の和:1584

約数の個数: 20

約数和(自身を含む): 292392

約数和(自身を除く): 166712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1571, 3142, 6284, 7855, 12568, 15710, 25136, 31420, 62840, 125680]

約数ペア:

[(1, 125680), (2, 62840), (4, 31420), (5, 25136), (8, 15710), (10, 12568), (16, 7855), (20, 6284), (40, 3142), (80, 1571)]