12777080

素因数分解:

$2^3\times 5^1\times {\mathrm{319427}}^1$

素因数の和:319438

約数の個数: 16

約数和(自身を含む): 28748520

約数和(自身を除く): 15971440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 319427, 638854, 1277708, 1597135, 2555416, 3194270, 6388540, 12777080]

約数ペア:

[(1, 12777080), (2, 6388540), (4, 3194270), (5, 2555416), (8, 1597135), (10, 1277708), (20, 638854), (40, 319427)]