12727240

素因数分解:

$2^3\times 5^1\times {\mathrm{318181}}^1$

素因数の和:318192

約数の個数: 16

約数和(自身を含む): 28636380

約数和(自身を除く): 15909140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 318181, 636362, 1272724, 1590905, 2545448, 3181810, 6363620, 12727240]

約数ペア:

[(1, 12727240), (2, 6363620), (4, 3181810), (5, 2545448), (8, 1590905), (10, 1272724), (20, 636362), (40, 318181)]