71380220

素因数分解:

$2^2\times 5^1\times {\mathrm{1759}}^1\times {\mathrm{2029}}^1$

素因数の和:3797

約数の個数: 24

約数和(自身を含む): 150057600

約数和(自身を除く): 78677380

約数列:

[1, 2, 4, 5, 10, 20, 1759, 2029, 3518, 4058, 7036, 8116, 8795, 10145, 17590, 20290, 35180, 40580, 3569011, 7138022, 14276044, 17845055, 35690110, 71380220]

約数ペア:

[(1, 71380220), (2, 35690110), (4, 17845055), (5, 14276044), (10, 7138022), (20, 3569011), (1759, 40580), (2029, 35180), (3518, 20290), (4058, 17590), (7036, 10145), (8116, 8795)]