39968960

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:178

約数の個数: 112

約数和(自身を含む): 101498400

約数和(自身を除く): 61529440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 59, 64, 73, 80, 116, 118, 145, 146, 160, 232, 236, 290, 292, 295, 320, 365, 464, 472, 580, 584, 590, 730, 928, 944, 1160, 1168, 1180, 1460, 1711, 1856, 1888, 2117, 2320, 2336, 2360, 2920, 3422, 3776, 4234, 4307, 4640, 4672, 4720, 5840, 6844, 8468, 8555, 8614, 9280, 9440, 10585, 11680, 13688, 16936, 17110, 17228, 18880, 21170, 21535, 23360, 27376, 33872, 34220, 34456, 42340, 43070, 54752, 67744, 68440, 68912, 84680, 86140, 109504, 124903, 135488, 136880, 137824, 169360, 172280, 249806, 273760, 275648, 338720, 344560, 499612, 547520, 624515, 677440, 689120, 999224, 1249030, 1378240, 1998448, 2498060, 3996896, 4996120, 7993792, 9992240, 19984480, 39968960]

約数ペア:

[(1, 39968960), (2, 19984480), (4, 9992240), (5, 7993792), (8, 4996120), (10, 3996896), (16, 2498060), (20, 1998448), (29, 1378240), (32, 1249030), (40, 999224), (58, 689120), (59, 677440), (64, 624515), (73, 547520), (80, 499612), (116, 344560), (118, 338720), (145, 275648), (146, 273760), (160, 249806), (232, 172280), (236, 169360), (290, 137824), (292, 136880), (295, 135488), (320, 124903), (365, 109504), (464, 86140), (472, 84680), (580, 68912), (584, 68440), (590, 67744), (730, 54752), (928, 43070), (944, 42340), (1160, 34456), (1168, 34220), (1180, 33872), (1460, 27376), (1711, 23360), (1856, 21535), (1888, 21170), (2117, 18880), (2320, 17228), (2336, 17110), (2360, 16936), (2920, 13688), (3422, 11680), (3776, 10585), (4234, 9440), (4307, 9280), (4640, 8614), (4672, 8555), (4720, 8468), (5840, 6844)]