25161040

素因数分解:

$2^4\times 5^1\times {\mathrm{314513}}^1$

素因数の和:314526

約数の個数: 20

約数和(自身を含む): 58499604

約数和(自身を除く): 33338564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 314513, 629026, 1258052, 1572565, 2516104, 3145130, 5032208, 6290260, 12580520, 25161040]

約数ペア:

[(1, 25161040), (2, 12580520), (4, 6290260), (5, 5032208), (8, 3145130), (10, 2516104), (16, 1572565), (20, 1258052), (40, 629026), (80, 314513)]