25040720

素因数分解:

$2^4\times 5^1\times {\mathrm{313009}}^1$

素因数の和:313022

約数の個数: 20

約数和(自身を含む): 58219860

約数和(自身を除く): 33179140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 313009, 626018, 1252036, 1565045, 2504072, 3130090, 5008144, 6260180, 12520360, 25040720]

約数ペア:

[(1, 25040720), (2, 12520360), (4, 6260180), (5, 5008144), (8, 3130090), (10, 2504072), (16, 1565045), (20, 1252036), (40, 626018), (80, 313009)]