25630160

素因数分解:

$2^4\times 5^1\times {\mathrm{320377}}^1$

素因数の和:320390

約数の個数: 20

約数和(自身を含む): 59590308

約数和(自身を除く): 33960148

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 320377, 640754, 1281508, 1601885, 2563016, 3203770, 5126032, 6407540, 12815080, 25630160]

約数ペア:

[(1, 25630160), (2, 12815080), (4, 6407540), (5, 5126032), (8, 3203770), (10, 2563016), (16, 1601885), (20, 1281508), (40, 640754), (80, 320377)]