140904560

素因数分解:

$2^4\times 5^1\times {\mathrm{1761307}}^1$

素因数の和:1761320

約数の個数: 20

約数和(自身を含む): 327603288

約数和(自身を除く): 186698728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1761307, 3522614, 7045228, 8806535, 14090456, 17613070, 28180912, 35226140, 70452280, 140904560]

約数ペア:

[(1, 140904560), (2, 70452280), (4, 35226140), (5, 28180912), (8, 17613070), (10, 14090456), (16, 8806535), (20, 7045228), (40, 3522614), (80, 1761307)]