159696560

素因数分解:

$2^4\times 5^1\times {\mathrm{1996207}}^1$

素因数の和:1996220

約数の個数: 20

約数和(自身を含む): 371294688

約数和(自身を除く): 211598128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1996207, 3992414, 7984828, 9981035, 15969656, 19962070, 31939312, 39924140, 79848280, 159696560]

約数ペア:

[(1, 159696560), (2, 79848280), (4, 39924140), (5, 31939312), (8, 19962070), (10, 15969656), (16, 9981035), (20, 7984828), (40, 3992414), (80, 1996207)]