28041680

素因数分解:

$2^4\times 5^1\times {\mathrm{350521}}^1$

素因数の和:350534

約数の個数: 20

約数和(自身を含む): 65197092

約数和(自身を除く): 37155412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 350521, 701042, 1402084, 1752605, 2804168, 3505210, 5608336, 7010420, 14020840, 28041680]

約数ペア:

[(1, 28041680), (2, 14020840), (4, 7010420), (5, 5608336), (8, 3505210), (10, 2804168), (16, 1752605), (20, 1402084), (40, 701042), (80, 350521)]