12738140

素因数分解:

$2^2\times 5^1\times {\mathrm{613}}^1\times {\mathrm{1039}}^1$

素因数の和:1661

約数の個数: 24

約数和(自身を含む): 26819520

約数和(自身を除く): 14081380

約数列:

[1, 2, 4, 5, 10, 20, 613, 1039, 1226, 2078, 2452, 3065, 4156, 5195, 6130, 10390, 12260, 20780, 636907, 1273814, 2547628, 3184535, 6369070, 12738140]

約数ペア:

[(1, 12738140), (2, 6369070), (4, 3184535), (5, 2547628), (10, 1273814), (20, 636907), (613, 20780), (1039, 12260), (1226, 10390), (2078, 6130), (2452, 5195), (3065, 4156)]