857680

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:235

約数の個数: 40

約数和(自身を含む): 2035584

約数和(自身を除く): 1177904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 151, 284, 302, 355, 568, 604, 710, 755, 1136, 1208, 1420, 1510, 2416, 2840, 3020, 5680, 6040, 10721, 12080, 21442, 42884, 53605, 85768, 107210, 171536, 214420, 428840, 857680]

約数ペア:

[(1, 857680), (2, 428840), (4, 214420), (5, 171536), (8, 107210), (10, 85768), (16, 53605), (20, 42884), (40, 21442), (71, 12080), (80, 10721), (142, 6040), (151, 5680), (284, 3020), (302, 2840), (355, 2416), (568, 1510), (604, 1420), (710, 1208), (755, 1136)]