89181520

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:332

約数の個数: 80

約数和(自身を含む): 213557760

約数和(自身を除く): 124376240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 103, 137, 158, 206, 274, 316, 395, 412, 515, 548, 632, 685, 790, 824, 1030, 1096, 1264, 1370, 1580, 1648, 2060, 2192, 2740, 3160, 4120, 5480, 6320, 8137, 8240, 10823, 10960, 14111, 16274, 21646, 28222, 32548, 40685, 43292, 54115, 56444, 65096, 70555, 81370, 86584, 108230, 112888, 130192, 141110, 162740, 173168, 216460, 225776, 282220, 325480, 432920, 564440, 650960, 865840, 1114769, 1128880, 2229538, 4459076, 5573845, 8918152, 11147690, 17836304, 22295380, 44590760, 89181520]

約数ペア:

[(1, 89181520), (2, 44590760), (4, 22295380), (5, 17836304), (8, 11147690), (10, 8918152), (16, 5573845), (20, 4459076), (40, 2229538), (79, 1128880), (80, 1114769), (103, 865840), (137, 650960), (158, 564440), (206, 432920), (274, 325480), (316, 282220), (395, 225776), (412, 216460), (515, 173168), (548, 162740), (632, 141110), (685, 130192), (790, 112888), (824, 108230), (1030, 86584), (1096, 81370), (1264, 70555), (1370, 65096), (1580, 56444), (1648, 54115), (2060, 43292), (2192, 40685), (2740, 32548), (3160, 28222), (4120, 21646), (5480, 16274), (6320, 14111), (8137, 10960), (8240, 10823)]