56717860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{65951}}^1$

素因数の和:66003

約数の個数: 24

約数和(自身を含む): 121879296

約数和(自身を除く): 65161436

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 65951, 131902, 263804, 329755, 659510, 1319020, 2835893, 5671786, 11343572, 14179465, 28358930, 56717860]

約数ペア:

[(1, 56717860), (2, 28358930), (4, 14179465), (5, 11343572), (10, 5671786), (20, 2835893), (43, 1319020), (86, 659510), (172, 329755), (215, 263804), (430, 131902), (860, 65951)]