80844820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{577463}}^1$

素因数の和:577479

約数の個数: 24

約数和(自身を含む): 194027904

約数和(自身を除く): 113183084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 577463, 1154926, 2309852, 2887315, 4042241, 5774630, 8084482, 11549260, 16168964, 20211205, 40422410, 80844820]

約数ペア:

[(1, 80844820), (2, 40422410), (4, 20211205), (5, 16168964), (7, 11549260), (10, 8084482), (14, 5774630), (20, 4042241), (28, 2887315), (35, 2309852), (70, 1154926), (140, 577463)]