20565130760

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{10559}}^1$

素因数の和:10695

約数の個数: 128

約数和(自身を含む): 50637312000

約数和(自身を除く): 30072181240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 29, 40, 46, 58, 73, 92, 115, 116, 145, 146, 184, 230, 232, 290, 292, 365, 460, 580, 584, 667, 730, 920, 1160, 1334, 1460, 1679, 2117, 2668, 2920, 3335, 3358, 4234, 5336, 6670, 6716, 8395, 8468, 10559, 10585, 13340, 13432, 16790, 16936, 21118, 21170, 26680, 33580, 42236, 42340, 48691, 52795, 67160, 84472, 84680, 97382, 105590, 194764, 211180, 242857, 243455, 306211, 389528, 422360, 485714, 486910, 612422, 770807, 971428, 973820, 1214285, 1224844, 1531055, 1541614, 1942856, 1947640, 2428570, 2449688, 3062110, 3083228, 3854035, 4857140, 6124220, 6166456, 7042853, 7708070, 9714280, 12248440, 14085706, 15416140, 17728561, 22353403, 28171412, 30832280, 35214265, 35457122, 44706806, 56342824, 70428530, 70914244, 88642805, 89413612, 111767015, 140857060, 141828488, 177285610, 178827224, 223534030, 281714120, 354571220, 447068060, 514128269, 709142440, 894136120, 1028256538, 2056513076, 2570641345, 4113026152, 5141282690, 10282565380, 20565130760]

約数ペア:

[(1, 20565130760), (2, 10282565380), (4, 5141282690), (5, 4113026152), (8, 2570641345), (10, 2056513076), (20, 1028256538), (23, 894136120), (29, 709142440), (40, 514128269), (46, 447068060), (58, 354571220), (73, 281714120), (92, 223534030), (115, 178827224), (116, 177285610), (145, 141828488), (146, 140857060), (184, 111767015), (230, 89413612), (232, 88642805), (290, 70914244), (292, 70428530), (365, 56342824), (460, 44706806), (580, 35457122), (584, 35214265), (667, 30832280), (730, 28171412), (920, 22353403), (1160, 17728561), (1334, 15416140), (1460, 14085706), (1679, 12248440), (2117, 9714280), (2668, 7708070), (2920, 7042853), (3335, 6166456), (3358, 6124220), (4234, 4857140), (5336, 3854035), (6670, 3083228), (6716, 3062110), (8395, 2449688), (8468, 2428570), (10559, 1947640), (10585, 1942856), (13340, 1541614), (13432, 1531055), (16790, 1224844), (16936, 1214285), (21118, 973820), (21170, 971428), (26680, 770807), (33580, 612422), (42236, 486910), (42340, 485714), (48691, 422360), (52795, 389528), (67160, 306211), (84472, 243455), (84680, 242857), (97382, 211180), (105590, 194764)]