68406320

素因数分解:

$2^4\times 5^1\times {\mathrm{855079}}^1$

素因数の和:855092

約数の個数: 20

約数和(自身を含む): 159044880

約数和(自身を除く): 90638560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 855079, 1710158, 3420316, 4275395, 6840632, 8550790, 13681264, 17101580, 34203160, 68406320]

約数ペア:

[(1, 68406320), (2, 34203160), (4, 17101580), (5, 13681264), (8, 8550790), (10, 6840632), (16, 4275395), (20, 3420316), (40, 1710158), (80, 855079)]