79884140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{570601}}^1$

素因数の和:570617

約数の個数: 24

約数和(自身を含む): 191722272

約数和(自身を除く): 111838132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 570601, 1141202, 2282404, 2853005, 3994207, 5706010, 7988414, 11412020, 15976828, 19971035, 39942070, 79884140]

約数ペア:

[(1, 79884140), (2, 39942070), (4, 19971035), (5, 15976828), (7, 11412020), (10, 7988414), (14, 5706010), (20, 3994207), (28, 2853005), (35, 2282404), (70, 1141202), (140, 570601)]