80180980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{364459}}^1$

素因数の和:364479

約数の個数: 24

約数和(自身を含む): 183687840

約数和(自身を除く): 103506860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 364459, 728918, 1457836, 1822295, 3644590, 4009049, 7289180, 8018098, 16036196, 20045245, 40090490, 80180980]

約数ペア:

[(1, 80180980), (2, 40090490), (4, 20045245), (5, 16036196), (10, 8018098), (11, 7289180), (20, 4009049), (22, 3644590), (44, 1822295), (55, 1457836), (110, 728918), (220, 364459)]