20134519040

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{4271}}^1$

素因数の和:4448

約数の個数: 144

約数和(自身を含む): 50296135680

約数和(自身を除く): 30161616640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 127, 128, 145, 160, 232, 254, 256, 290, 320, 464, 508, 580, 635, 640, 928, 1016, 1160, 1270, 1280, 1856, 2032, 2320, 2540, 3683, 3712, 4064, 4271, 4640, 5080, 7366, 7424, 8128, 8542, 9280, 10160, 14732, 16256, 17084, 18415, 18560, 20320, 21355, 29464, 32512, 34168, 36830, 37120, 40640, 42710, 58928, 68336, 73660, 81280, 85420, 117856, 123859, 136672, 147320, 162560, 170840, 235712, 247718, 273344, 294640, 341680, 471424, 495436, 542417, 546688, 589280, 619295, 683360, 942848, 990872, 1084834, 1093376, 1178560, 1238590, 1366720, 1981744, 2169668, 2357120, 2477180, 2712085, 2733440, 3963488, 4339336, 4714240, 4954360, 5424170, 5466880, 7926976, 8678672, 9908720, 10848340, 15730093, 15853952, 17357344, 19817440, 21696680, 31460186, 31707904, 34714688, 39634880, 43393360, 62920372, 69429376, 78650465, 79269760, 86786720, 125840744, 138858752, 157300930, 158539520, 173573440, 251681488, 314601860, 347146880, 503362976, 629203720, 694293760, 1006725952, 1258407440, 2013451904, 2516814880, 4026903808, 5033629760, 10067259520, 20134519040]

約数ペア:

[(1, 20134519040), (2, 10067259520), (4, 5033629760), (5, 4026903808), (8, 2516814880), (10, 2013451904), (16, 1258407440), (20, 1006725952), (29, 694293760), (32, 629203720), (40, 503362976), (58, 347146880), (64, 314601860), (80, 251681488), (116, 173573440), (127, 158539520), (128, 157300930), (145, 138858752), (160, 125840744), (232, 86786720), (254, 79269760), (256, 78650465), (290, 69429376), (320, 62920372), (464, 43393360), (508, 39634880), (580, 34714688), (635, 31707904), (640, 31460186), (928, 21696680), (1016, 19817440), (1160, 17357344), (1270, 15853952), (1280, 15730093), (1856, 10848340), (2032, 9908720), (2320, 8678672), (2540, 7926976), (3683, 5466880), (3712, 5424170), (4064, 4954360), (4271, 4714240), (4640, 4339336), (5080, 3963488), (7366, 2733440), (7424, 2712085), (8128, 2477180), (8542, 2357120), (9280, 2169668), (10160, 1981744), (14732, 1366720), (16256, 1238590), (17084, 1178560), (18415, 1093376), (18560, 1084834), (20320, 990872), (21355, 942848), (29464, 683360), (32512, 619295), (34168, 589280), (36830, 546688), (37120, 542417), (40640, 495436), (42710, 471424), (58928, 341680), (68336, 294640), (73660, 273344), (81280, 247718), (85420, 235712), (117856, 170840), (123859, 162560), (136672, 147320)]