25213990

素因数分解:

$2^1\times 5^1\times {\mathrm{811}}^1\times {\mathrm{3109}}^1$

素因数の和:3927

約数の個数: 16

約数和(自身を含む): 45455760

約数和(自身を除く): 20241770

約数列:

[1, 2, 5, 10, 811, 1622, 3109, 4055, 6218, 8110, 15545, 31090, 2521399, 5042798, 12606995, 25213990]

約数ペア:

[(1, 25213990), (2, 12606995), (5, 5042798), (10, 2521399), (811, 31090), (1622, 15545), (3109, 8110), (4055, 6218)]