12433520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:294

約数の個数: 80

約数和(自身を含む): 32140800

約数和(自身を除く): 19707280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 71, 80, 88, 110, 142, 176, 199, 220, 284, 355, 398, 440, 568, 710, 781, 796, 880, 995, 1136, 1420, 1562, 1592, 1990, 2189, 2840, 3124, 3184, 3905, 3980, 4378, 5680, 6248, 7810, 7960, 8756, 10945, 12496, 14129, 15620, 15920, 17512, 21890, 28258, 31240, 35024, 43780, 56516, 62480, 70645, 87560, 113032, 141290, 155419, 175120, 226064, 282580, 310838, 565160, 621676, 777095, 1130320, 1243352, 1554190, 2486704, 3108380, 6216760, 12433520]

約数ペア:

[(1, 12433520), (2, 6216760), (4, 3108380), (5, 2486704), (8, 1554190), (10, 1243352), (11, 1130320), (16, 777095), (20, 621676), (22, 565160), (40, 310838), (44, 282580), (55, 226064), (71, 175120), (80, 155419), (88, 141290), (110, 113032), (142, 87560), (176, 70645), (199, 62480), (220, 56516), (284, 43780), (355, 35024), (398, 31240), (440, 28258), (568, 21890), (710, 17512), (781, 15920), (796, 15620), (880, 14129), (995, 12496), (1136, 10945), (1420, 8756), (1562, 7960), (1592, 7810), (1990, 6248), (2189, 5680), (2840, 4378), (3124, 3980), (3184, 3905)]