13942640

素因数分解:

$2^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{439}}^1$

素因数の和:849

約数の個数: 40

約数和(自身を含む): 32572320

約数和(自身を除く): 18629680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 397, 439, 794, 878, 1588, 1756, 1985, 2195, 3176, 3512, 3970, 4390, 6352, 7024, 7940, 8780, 15880, 17560, 31760, 35120, 174283, 348566, 697132, 871415, 1394264, 1742830, 2788528, 3485660, 6971320, 13942640]

約数ペア:

[(1, 13942640), (2, 6971320), (4, 3485660), (5, 2788528), (8, 1742830), (10, 1394264), (16, 871415), (20, 697132), (40, 348566), (80, 174283), (397, 35120), (439, 31760), (794, 17560), (878, 15880), (1588, 8780), (1756, 7940), (1985, 7024), (2195, 6352), (3176, 4390), (3512, 3970)]