78912359620

素因数分解:

$2^2\times 5^1\times {\mathrm{3863}}^1\times {\mathrm{1021387}}^1$

素因数の和:1025259

約数の個数: 24

約数和(自身を含む): 165759015744

約数和(自身を除く): 86846656124

約数列:

[1, 2, 4, 5, 10, 20, 3863, 7726, 15452, 19315, 38630, 77260, 1021387, 2042774, 4085548, 5106935, 10213870, 20427740, 3945617981, 7891235962, 15782471924, 19728089905, 39456179810, 78912359620]

約数ペア:

[(1, 78912359620), (2, 39456179810), (4, 19728089905), (5, 15782471924), (10, 7891235962), (20, 3945617981), (3863, 20427740), (7726, 10213870), (15452, 5106935), (19315, 4085548), (38630, 2042774), (77260, 1021387)]