26456980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{499}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 60984000

約数和(自身を除く): 34527020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 241, 482, 499, 964, 998, 1205, 1996, 2410, 2495, 2651, 4820, 4990, 5302, 5489, 9980, 10604, 10978, 13255, 21956, 26510, 27445, 53020, 54890, 109780, 120259, 240518, 481036, 601295, 1202590, 1322849, 2405180, 2645698, 5291396, 6614245, 13228490, 26456980]

約数ペア:

[(1, 26456980), (2, 13228490), (4, 6614245), (5, 5291396), (10, 2645698), (11, 2405180), (20, 1322849), (22, 1202590), (44, 601295), (55, 481036), (110, 240518), (220, 120259), (241, 109780), (482, 54890), (499, 53020), (964, 27445), (998, 26510), (1205, 21956), (1996, 13255), (2410, 10978), (2495, 10604), (2651, 9980), (4820, 5489), (4990, 5302)]