80279960

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{18757}}^1$

素因数の和:18875

約数の個数: 32

約数和(自身を含む): 182327760

約数和(自身を除く): 102047800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 18757, 37514, 75028, 93785, 150056, 187570, 375140, 750280, 2006999, 4013998, 8027996, 10034995, 16055992, 20069990, 40139980, 80279960]

約数ペア:

[(1, 80279960), (2, 40139980), (4, 20069990), (5, 16055992), (8, 10034995), (10, 8027996), (20, 4013998), (40, 2006999), (107, 750280), (214, 375140), (428, 187570), (535, 150056), (856, 93785), (1070, 75028), (2140, 37514), (4280, 18757)]