25880440

素因数分解:

$2^3\times 5^1\times {\mathrm{647011}}^1$

素因数の和:647022

約数の個数: 16

約数和(自身を含む): 58231080

約数和(自身を除く): 32350640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647011, 1294022, 2588044, 3235055, 5176088, 6470110, 12940220, 25880440]

約数ペア:

[(1, 25880440), (2, 12940220), (4, 6470110), (5, 5176088), (8, 3235055), (10, 2588044), (20, 1294022), (40, 647011)]