20178105440

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{577}}^1\times {\mathrm{1721}}^1$

素因数の和:2440

約数の個数: 96

約数和(自身を含む): 48157369344

約数和(自身を除く): 27979263904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 577, 635, 1016, 1154, 1270, 1721, 2032, 2308, 2540, 2885, 3442, 4064, 4616, 5080, 5770, 6884, 8605, 9232, 10160, 11540, 13768, 17210, 18464, 20320, 23080, 27536, 34420, 46160, 55072, 68840, 73279, 92320, 137680, 146558, 218567, 275360, 293116, 366395, 437134, 586232, 732790, 874268, 993017, 1092835, 1172464, 1465580, 1748536, 1986034, 2185670, 2344928, 2931160, 3497072, 3972068, 4371340, 4965085, 5862320, 6994144, 7944136, 8742680, 9930170, 11724640, 15888272, 17485360, 19860340, 31776544, 34970720, 39720680, 79441360, 126113159, 158882720, 252226318, 504452636, 630565795, 1008905272, 1261131590, 2017810544, 2522263180, 4035621088, 5044526360, 10089052720, 20178105440]

約数ペア:

[(1, 20178105440), (2, 10089052720), (4, 5044526360), (5, 4035621088), (8, 2522263180), (10, 2017810544), (16, 1261131590), (20, 1008905272), (32, 630565795), (40, 504452636), (80, 252226318), (127, 158882720), (160, 126113159), (254, 79441360), (508, 39720680), (577, 34970720), (635, 31776544), (1016, 19860340), (1154, 17485360), (1270, 15888272), (1721, 11724640), (2032, 9930170), (2308, 8742680), (2540, 7944136), (2885, 6994144), (3442, 5862320), (4064, 4965085), (4616, 4371340), (5080, 3972068), (5770, 3497072), (6884, 2931160), (8605, 2344928), (9232, 2185670), (10160, 1986034), (11540, 1748536), (13768, 1465580), (17210, 1172464), (18464, 1092835), (20320, 993017), (23080, 874268), (27536, 732790), (34420, 586232), (46160, 437134), (55072, 366395), (68840, 293116), (73279, 275360), (92320, 218567), (137680, 146558)]