19960120

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{17207}}^1$

素因数の和:17247

約数の個数: 32

約数和(自身を含む): 46461600

約数和(自身を除く): 26501480

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 17207, 34414, 68828, 86035, 137656, 172070, 344140, 499003, 688280, 998006, 1996012, 2495015, 3992024, 4990030, 9980060, 19960120]

約数ペア:

[(1, 19960120), (2, 9980060), (4, 4990030), (5, 3992024), (8, 2495015), (10, 1996012), (20, 998006), (29, 688280), (40, 499003), (58, 344140), (116, 172070), (145, 137656), (232, 86035), (290, 68828), (580, 34414), (1160, 17207)]