12390160

素因数分解:

$2^4\times 5^1\times {\mathrm{154877}}^1$

素因数の和:154890

約数の個数: 20

約数和(自身を含む): 28807308

約数和(自身を除く): 16417148

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 154877, 309754, 619508, 774385, 1239016, 1548770, 2478032, 3097540, 6195080, 12390160]

約数ペア:

[(1, 12390160), (2, 6195080), (4, 3097540), (5, 2478032), (8, 1548770), (10, 1239016), (16, 774385), (20, 619508), (40, 309754), (80, 154877)]