67221040

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19541}}^1$

素因数の和:19597

約数の個数: 40

約数和(自身を含む): 159931728

約数和(自身を除く): 92710688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 19541, 39082, 78164, 97705, 156328, 195410, 312656, 390820, 781640, 840263, 1563280, 1680526, 3361052, 4201315, 6722104, 8402630, 13444208, 16805260, 33610520, 67221040]

約数ペア:

[(1, 67221040), (2, 33610520), (4, 16805260), (5, 13444208), (8, 8402630), (10, 6722104), (16, 4201315), (20, 3361052), (40, 1680526), (43, 1563280), (80, 840263), (86, 781640), (172, 390820), (215, 312656), (344, 195410), (430, 156328), (688, 97705), (860, 78164), (1720, 39082), (3440, 19541)]