68138320

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{6217}}^1$

素因数の和:6367

約数の個数: 40

約数和(自身を含む): 159603624

約数和(自身を除く): 91465304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2740, 5480, 6217, 10960, 12434, 24868, 31085, 49736, 62170, 99472, 124340, 248680, 497360, 851729, 1703458, 3406916, 4258645, 6813832, 8517290, 13627664, 17034580, 34069160, 68138320]

約数ペア:

[(1, 68138320), (2, 34069160), (4, 17034580), (5, 13627664), (8, 8517290), (10, 6813832), (16, 4258645), (20, 3406916), (40, 1703458), (80, 851729), (137, 497360), (274, 248680), (548, 124340), (685, 99472), (1096, 62170), (1370, 49736), (2192, 31085), (2740, 24868), (5480, 12434), (6217, 10960)]