140492020

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{88919}}^1$

素因数の和:89007

約数の個数: 24

約数和(自身を含む): 298771200

約数和(自身を除く): 158279180

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 88919, 177838, 355676, 444595, 889190, 1778380, 7024601, 14049202, 28098404, 35123005, 70246010, 140492020]

約数ペア:

[(1, 140492020), (2, 70246010), (4, 35123005), (5, 28098404), (10, 14049202), (20, 7024601), (79, 1778380), (158, 889190), (316, 444595), (395, 355676), (790, 177838), (1580, 88919)]