68705680

素因数分解:

$2^4\times 5^1\times {\mathrm{858821}}^1$

素因数の和:858834

約数の個数: 20

約数和(自身を含む): 159740892

約数和(自身を除く): 91035212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 858821, 1717642, 3435284, 4294105, 6870568, 8588210, 13741136, 17176420, 34352840, 68705680]

約数ペア:

[(1, 68705680), (2, 34352840), (4, 17176420), (5, 13741136), (8, 8588210), (10, 6870568), (16, 4294105), (20, 3435284), (40, 1717642), (80, 858821)]