25139827280

素因数分解:

$2^4\times 5^1\times {\mathrm{314247841}}^1$

素因数の和:314247854

約数の個数: 20

約数和(自身を含む): 58450098612

約数和(自身を除く): 33310271332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 314247841, 628495682, 1256991364, 1571239205, 2513982728, 3142478410, 5027965456, 6284956820, 12569913640, 25139827280]

約数ペア:

[(1, 25139827280), (2, 12569913640), (4, 6284956820), (5, 5027965456), (8, 3142478410), (10, 2513982728), (16, 1571239205), (20, 1256991364), (40, 628495682), (80, 314247841)]