26988580

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{4339}}^1$

素因数の和:4659

約数の個数: 24

約数和(自身を含む): 56871360

約数和(自身を除く): 29882780

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 4339, 6220, 8678, 17356, 21695, 43390, 86780, 1349429, 2698858, 5397716, 6747145, 13494290, 26988580]

約数ペア:

[(1, 26988580), (2, 13494290), (4, 6747145), (5, 5397716), (10, 2698858), (20, 1349429), (311, 86780), (622, 43390), (1244, 21695), (1555, 17356), (3110, 8678), (4339, 6220)]