5681007280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2143}}^1\times {\mathrm{2549}}^1$

素因数の和:4718

約数の個数: 80

約数和(自身を含む): 14236588800

約数和(自身を除く): 8555581520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2143, 2549, 4286, 5098, 8572, 10196, 10715, 12745, 17144, 20392, 21430, 25490, 27859, 33137, 34288, 40784, 42860, 50980, 55718, 66274, 85720, 101960, 111436, 132548, 139295, 165685, 171440, 203920, 222872, 265096, 278590, 331370, 445744, 530192, 557180, 662740, 1114360, 1325480, 2228720, 2650960, 5462507, 10925014, 21850028, 27312535, 43700056, 54625070, 71012591, 87400112, 109250140, 142025182, 218500280, 284050364, 355062955, 437000560, 568100728, 710125910, 1136201456, 1420251820, 2840503640, 5681007280]

約数ペア:

[(1, 5681007280), (2, 2840503640), (4, 1420251820), (5, 1136201456), (8, 710125910), (10, 568100728), (13, 437000560), (16, 355062955), (20, 284050364), (26, 218500280), (40, 142025182), (52, 109250140), (65, 87400112), (80, 71012591), (104, 54625070), (130, 43700056), (208, 27312535), (260, 21850028), (520, 10925014), (1040, 5462507), (2143, 2650960), (2549, 2228720), (4286, 1325480), (5098, 1114360), (8572, 662740), (10196, 557180), (10715, 530192), (12745, 445744), (17144, 331370), (20392, 278590), (21430, 265096), (25490, 222872), (27859, 203920), (33137, 171440), (34288, 165685), (40784, 139295), (42860, 132548), (50980, 111436), (55718, 101960), (66274, 85720)]