65219920

素因数分解:

$2^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{5399}}^1$

素因数の和:5563

約数の個数: 40

約数和(自身を含む): 152668800

約数和(自身を除く): 87448880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151, 302, 604, 755, 1208, 1510, 2416, 3020, 5399, 6040, 10798, 12080, 21596, 26995, 43192, 53990, 86384, 107980, 215960, 431920, 815249, 1630498, 3260996, 4076245, 6521992, 8152490, 13043984, 16304980, 32609960, 65219920]

約数ペア:

[(1, 65219920), (2, 32609960), (4, 16304980), (5, 13043984), (8, 8152490), (10, 6521992), (16, 4076245), (20, 3260996), (40, 1630498), (80, 815249), (151, 431920), (302, 215960), (604, 107980), (755, 86384), (1208, 53990), (1510, 43192), (2416, 26995), (3020, 21596), (5399, 12080), (6040, 10798)]