8947040

素因数分解:

$2^5\times 5^1\times {\mathrm{199}}^1\times {\mathrm{281}}^1$

素因数の和:495

約数の個数: 48

約数和(自身を含む): 21319200

約数和(自身を除く): 12372160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199, 281, 398, 562, 796, 995, 1124, 1405, 1592, 1990, 2248, 2810, 3184, 3980, 4496, 5620, 6368, 7960, 8992, 11240, 15920, 22480, 31840, 44960, 55919, 111838, 223676, 279595, 447352, 559190, 894704, 1118380, 1789408, 2236760, 4473520, 8947040]

約数ペア:

[(1, 8947040), (2, 4473520), (4, 2236760), (5, 1789408), (8, 1118380), (10, 894704), (16, 559190), (20, 447352), (32, 279595), (40, 223676), (80, 111838), (160, 55919), (199, 44960), (281, 31840), (398, 22480), (562, 15920), (796, 11240), (995, 8992), (1124, 7960), (1405, 6368), (1592, 5620), (1990, 4496), (2248, 3980), (2810, 3184)]