72364360

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{9091}}^1$

素因数の和:9301

約数の個数: 32

約数和(自身を含む): 163656000

約数和(自身を除く): 91291640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 9091, 18182, 36364, 45455, 72728, 90910, 181820, 363640, 1809109, 3618218, 7236436, 9045545, 14472872, 18091090, 36182180, 72364360]

約数ペア:

[(1, 72364360), (2, 36182180), (4, 18091090), (5, 14472872), (8, 9045545), (10, 7236436), (20, 3618218), (40, 1809109), (199, 363640), (398, 181820), (796, 90910), (995, 72728), (1592, 45455), (1990, 36364), (3980, 18182), (7960, 9091)]