78970160

素因数分解:

$2^4\times 5^1\times {\mathrm{987127}}^1$

素因数の和:987140

約数の個数: 20

約数和(自身を含む): 183605808

約数和(自身を除く): 104635648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 987127, 1974254, 3948508, 4935635, 7897016, 9871270, 15794032, 19742540, 39485080, 78970160]

約数ペア:

[(1, 78970160), (2, 39485080), (4, 19742540), (5, 15794032), (8, 9871270), (10, 7897016), (16, 4935635), (20, 3948508), (40, 1974254), (80, 987127)]