55728320

素因数分解:

$2^6\times 5^1\times {\mathrm{349}}^1\times {\mathrm{499}}^1$

素因数の和:865

約数の個数: 56

約数和(自身を含む): 133350000

約数和(自身を除く): 77621680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 349, 499, 698, 998, 1396, 1745, 1996, 2495, 2792, 3490, 3992, 4990, 5584, 6980, 7984, 9980, 11168, 13960, 15968, 19960, 22336, 27920, 31936, 39920, 55840, 79840, 111680, 159680, 174151, 348302, 696604, 870755, 1393208, 1741510, 2786416, 3483020, 5572832, 6966040, 11145664, 13932080, 27864160, 55728320]

約数ペア:

[(1, 55728320), (2, 27864160), (4, 13932080), (5, 11145664), (8, 6966040), (10, 5572832), (16, 3483020), (20, 2786416), (32, 1741510), (40, 1393208), (64, 870755), (80, 696604), (160, 348302), (320, 174151), (349, 159680), (499, 111680), (698, 79840), (998, 55840), (1396, 39920), (1745, 31936), (1996, 27920), (2495, 22336), (2792, 19960), (3490, 15968), (3992, 13960), (4990, 11168), (5584, 9980), (6980, 7984)]