126880120

素因数分解:

$2^3\times 5^1\times {\mathrm{3172003}}^1$

素因数の和:3172014

約数の個数: 16

約数和(自身を含む): 285480360

約数和(自身を除く): 158600240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3172003, 6344006, 12688012, 15860015, 25376024, 31720030, 63440060, 126880120]

約数ペア:

[(1, 126880120), (2, 63440060), (4, 31720030), (5, 25376024), (8, 15860015), (10, 12688012), (20, 6344006), (40, 3172003)]