13253020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{563}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 30699648

約数和(自身を除く): 17446628

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 214, 220, 428, 535, 563, 1070, 1126, 1177, 2140, 2252, 2354, 2815, 4708, 5630, 5885, 6193, 11260, 11770, 12386, 23540, 24772, 30965, 60241, 61930, 120482, 123860, 240964, 301205, 602410, 662651, 1204820, 1325302, 2650604, 3313255, 6626510, 13253020]

約数ペア:

[(1, 13253020), (2, 6626510), (4, 3313255), (5, 2650604), (10, 1325302), (11, 1204820), (20, 662651), (22, 602410), (44, 301205), (55, 240964), (107, 123860), (110, 120482), (214, 61930), (220, 60241), (428, 30965), (535, 24772), (563, 23540), (1070, 12386), (1126, 11770), (1177, 11260), (2140, 6193), (2252, 5885), (2354, 5630), (2815, 4708)]