12640960

素因数分解:

$2^6\times 5^1\times {\mathrm{39503}}^1$

素因数の和:39520

約数の個数: 28

約数和(自身を含む): 30102048

約数和(自身を除く): 17461088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 39503, 79006, 158012, 197515, 316024, 395030, 632048, 790060, 1264096, 1580120, 2528192, 3160240, 6320480, 12640960]

約数ペア:

[(1, 12640960), (2, 6320480), (4, 3160240), (5, 2528192), (8, 1580120), (10, 1264096), (16, 790060), (20, 632048), (32, 395030), (40, 316024), (64, 197515), (80, 158012), (160, 79006), (320, 39503)]