2281040

素因数分解:

$2^4\times 5^1\times {\mathrm{28513}}^1$

素因数の和:28526

約数の個数: 20

約数和(自身を含む): 5303604

約数和(自身を除く): 3022564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 28513, 57026, 114052, 142565, 228104, 285130, 456208, 570260, 1140520, 2281040]

約数ペア:

[(1, 2281040), (2, 1140520), (4, 570260), (5, 456208), (8, 285130), (10, 228104), (16, 142565), (20, 114052), (40, 57026), (80, 28513)]