140960140

素因数分解:

$2^2\times 5^1\times {\mathrm{7048007}}^1$

素因数の和:7048016

約数の個数: 12

約数和(自身を含む): 296016336

約数和(自身を除く): 155056196

約数列:

[1, 2, 4, 5, 10, 20, 7048007, 14096014, 28192028, 35240035, 70480070, 140960140]

約数ペア:

[(1, 140960140), (2, 70480070), (4, 35240035), (5, 28192028), (10, 14096014), (20, 7048007)]