12805220710

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{9212389}}^1$

素因数の和:9212535

約数の個数: 16

約数和(自身を含む): 23215222800

約数和(自身を除く): 10410002090

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 9212389, 18424778, 46061945, 92123890, 1280522071, 2561044142, 6402610355, 12805220710]

約数ペア:

[(1, 12805220710), (2, 6402610355), (5, 2561044142), (10, 1280522071), (139, 92123890), (278, 46061945), (695, 18424778), (1390, 9212389)]