67381520

素因数分解:

$2^4\times 5^1\times {\mathrm{317}}^1\times {\mathrm{2657}}^1$

素因数の和:2987

約数の個数: 40

約数和(自身を含む): 157215384

約数和(自身を除く): 89833864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 317, 634, 1268, 1585, 2536, 2657, 3170, 5072, 5314, 6340, 10628, 12680, 13285, 21256, 25360, 26570, 42512, 53140, 106280, 212560, 842269, 1684538, 3369076, 4211345, 6738152, 8422690, 13476304, 16845380, 33690760, 67381520]

約数ペア:

[(1, 67381520), (2, 33690760), (4, 16845380), (5, 13476304), (8, 8422690), (10, 6738152), (16, 4211345), (20, 3369076), (40, 1684538), (80, 842269), (317, 212560), (634, 106280), (1268, 53140), (1585, 42512), (2536, 26570), (2657, 25360), (3170, 21256), (5072, 13285), (5314, 12680), (6340, 10628)]