16659920

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:252

約数の個数: 80

約数和(自身を含む): 41247360

約数和(自身を除く): 24587440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 43, 58, 80, 86, 116, 145, 167, 172, 215, 232, 290, 334, 344, 430, 464, 580, 668, 688, 835, 860, 1160, 1247, 1336, 1670, 1720, 2320, 2494, 2672, 3340, 3440, 4843, 4988, 6235, 6680, 7181, 9686, 9976, 12470, 13360, 14362, 19372, 19952, 24215, 24940, 28724, 35905, 38744, 48430, 49880, 57448, 71810, 77488, 96860, 99760, 114896, 143620, 193720, 208249, 287240, 387440, 416498, 574480, 832996, 1041245, 1665992, 2082490, 3331984, 4164980, 8329960, 16659920]

約数ペア:

[(1, 16659920), (2, 8329960), (4, 4164980), (5, 3331984), (8, 2082490), (10, 1665992), (16, 1041245), (20, 832996), (29, 574480), (40, 416498), (43, 387440), (58, 287240), (80, 208249), (86, 193720), (116, 143620), (145, 114896), (167, 99760), (172, 96860), (215, 77488), (232, 71810), (290, 57448), (334, 49880), (344, 48430), (430, 38744), (464, 35905), (580, 28724), (668, 24940), (688, 24215), (835, 19952), (860, 19372), (1160, 14362), (1247, 13360), (1336, 12470), (1670, 9976), (1720, 9686), (2320, 7181), (2494, 6680), (2672, 6235), (3340, 4988), (3440, 4843)]