12416240

素因数分解:

$2^4\times 5^1\times {\mathrm{155203}}^1$

素因数の和:155216

約数の個数: 20

約数和(自身を含む): 28867944

約数和(自身を除く): 16451704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 155203, 310406, 620812, 776015, 1241624, 1552030, 2483248, 3104060, 6208120, 12416240]

約数ペア:

[(1, 12416240), (2, 6208120), (4, 3104060), (5, 2483248), (8, 1552030), (10, 1241624), (16, 776015), (20, 620812), (40, 310406), (80, 155203)]