12857120

素因数分解:

$2^5\times 5^1\times {\mathrm{107}}^1\times {\mathrm{751}}^1$

素因数の和:873

約数の個数: 48

約数和(自身を含む): 30699648

約数和(自身を除く): 17842528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 107, 160, 214, 428, 535, 751, 856, 1070, 1502, 1712, 2140, 3004, 3424, 3755, 4280, 6008, 7510, 8560, 12016, 15020, 17120, 24032, 30040, 60080, 80357, 120160, 160714, 321428, 401785, 642856, 803570, 1285712, 1607140, 2571424, 3214280, 6428560, 12857120]

約数ペア:

[(1, 12857120), (2, 6428560), (4, 3214280), (5, 2571424), (8, 1607140), (10, 1285712), (16, 803570), (20, 642856), (32, 401785), (40, 321428), (80, 160714), (107, 120160), (160, 80357), (214, 60080), (428, 30040), (535, 24032), (751, 17120), (856, 15020), (1070, 12016), (1502, 8560), (1712, 7510), (2140, 6008), (3004, 4280), (3424, 3755)]