19703670160

素因数分解:

$2^4\times 5^1\times {\mathrm{246295877}}^1$

素因数の和:246295890

約数の個数: 20

約数和(自身を含む): 45811033308

約数和(自身を除く): 26107363148

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 246295877, 492591754, 985183508, 1231479385, 1970367016, 2462958770, 3940734032, 4925917540, 9851835080, 19703670160]

約数ペア:

[(1, 19703670160), (2, 9851835080), (4, 4925917540), (5, 3940734032), (8, 2462958770), (10, 1970367016), (16, 1231479385), (20, 985183508), (40, 492591754), (80, 246295877)]