20565197120

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1451}}^1\times {\mathrm{3407}}^1$

素因数の和:4888

約数の個数: 112

約数和(自身を含む): 52789701888

約数和(自身を除く): 32224504768

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 1451, 2080, 2902, 3407, 4160, 5804, 6814, 7255, 11608, 13628, 14510, 17035, 18863, 23216, 27256, 29020, 34070, 37726, 44291, 46432, 54512, 58040, 68140, 75452, 88582, 92864, 94315, 109024, 116080, 136280, 150904, 177164, 188630, 218048, 221455, 232160, 272560, 301808, 354328, 377260, 442910, 464320, 545120, 603616, 708656, 754520, 885820, 1090240, 1207232, 1417312, 1509040, 1771640, 2834624, 3018080, 3543280, 4943557, 6036160, 7086560, 9887114, 14173120, 19774228, 24717785, 39548456, 49435570, 64266241, 79096912, 98871140, 128532482, 158193824, 197742280, 257064964, 316387648, 321331205, 395484560, 514129928, 642662410, 790969120, 1028259856, 1285324820, 1581938240, 2056519712, 2570649640, 4113039424, 5141299280, 10282598560, 20565197120]

約数ペア:

[(1, 20565197120), (2, 10282598560), (4, 5141299280), (5, 4113039424), (8, 2570649640), (10, 2056519712), (13, 1581938240), (16, 1285324820), (20, 1028259856), (26, 790969120), (32, 642662410), (40, 514129928), (52, 395484560), (64, 321331205), (65, 316387648), (80, 257064964), (104, 197742280), (130, 158193824), (160, 128532482), (208, 98871140), (260, 79096912), (320, 64266241), (416, 49435570), (520, 39548456), (832, 24717785), (1040, 19774228), (1451, 14173120), (2080, 9887114), (2902, 7086560), (3407, 6036160), (4160, 4943557), (5804, 3543280), (6814, 3018080), (7255, 2834624), (11608, 1771640), (13628, 1509040), (14510, 1417312), (17035, 1207232), (18863, 1090240), (23216, 885820), (27256, 754520), (29020, 708656), (34070, 603616), (37726, 545120), (44291, 464320), (46432, 442910), (54512, 377260), (58040, 354328), (68140, 301808), (75452, 272560), (88582, 232160), (92864, 221455), (94315, 218048), (109024, 188630), (116080, 177164), (136280, 150904)]