25507280

素因数分解:

$2^4\times 5^1\times {\mathrm{318841}}^1$

素因数の和:318854

約数の個数: 20

約数和(自身を含む): 59304612

約数和(自身を除く): 33797332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 318841, 637682, 1275364, 1594205, 2550728, 3188410, 5101456, 6376820, 12753640, 25507280]

約数ペア:

[(1, 25507280), (2, 12753640), (4, 6376820), (5, 5101456), (8, 3188410), (10, 2550728), (16, 1594205), (20, 1275364), (40, 637682), (80, 318841)]