12595840

素因数分解:

$2^7\times 5^1\times {\mathrm{19681}}^1$

素因数の和:19700

約数の個数: 32

約数和(自身を含む): 30113460

約数和(自身を除く): 17517620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 19681, 39362, 78724, 98405, 157448, 196810, 314896, 393620, 629792, 787240, 1259584, 1574480, 2519168, 3148960, 6297920, 12595840]

約数ペア:

[(1, 12595840), (2, 6297920), (4, 3148960), (5, 2519168), (8, 1574480), (10, 1259584), (16, 787240), (20, 629792), (32, 393620), (40, 314896), (64, 196810), (80, 157448), (128, 98405), (160, 78724), (320, 39362), (640, 19681)]