4996120

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:172

約数の個数: 64

約数和(自身を含む): 11988000

約数和(自身を除く): 6991880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 59, 73, 116, 118, 145, 146, 232, 236, 290, 292, 295, 365, 472, 580, 584, 590, 730, 1160, 1180, 1460, 1711, 2117, 2360, 2920, 3422, 4234, 4307, 6844, 8468, 8555, 8614, 10585, 13688, 16936, 17110, 17228, 21170, 21535, 34220, 34456, 42340, 43070, 68440, 84680, 86140, 124903, 172280, 249806, 499612, 624515, 999224, 1249030, 2498060, 4996120]

約数ペア:

[(1, 4996120), (2, 2498060), (4, 1249030), (5, 999224), (8, 624515), (10, 499612), (20, 249806), (29, 172280), (40, 124903), (58, 86140), (59, 84680), (73, 68440), (116, 43070), (118, 42340), (145, 34456), (146, 34220), (232, 21535), (236, 21170), (290, 17228), (292, 17110), (295, 16936), (365, 13688), (472, 10585), (580, 8614), (584, 8555), (590, 8468), (730, 6844), (1160, 4307), (1180, 4234), (1460, 3422), (1711, 2920), (2117, 2360)]