55648360

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{6991}}^1$

素因数の和:7201

約数の個数: 32

約数和(自身を含む): 125856000

約数和(自身を除く): 70207640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 6991, 7960, 13982, 27964, 34955, 55928, 69910, 139820, 279640, 1391209, 2782418, 5564836, 6956045, 11129672, 13912090, 27824180, 55648360]

約数ペア:

[(1, 55648360), (2, 27824180), (4, 13912090), (5, 11129672), (8, 6956045), (10, 5564836), (20, 2782418), (40, 1391209), (199, 279640), (398, 139820), (796, 69910), (995, 55928), (1592, 34955), (1990, 27964), (3980, 13982), (6991, 7960)]