78568780

素因数分解:

$2^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{6367}}^1$

素因数の和:6993

約数の個数: 24

約数和(自身を含む): 165287808

約数和(自身を除く): 86719028

約数列:

[1, 2, 4, 5, 10, 20, 617, 1234, 2468, 3085, 6170, 6367, 12340, 12734, 25468, 31835, 63670, 127340, 3928439, 7856878, 15713756, 19642195, 39284390, 78568780]

約数ペア:

[(1, 78568780), (2, 39284390), (4, 19642195), (5, 15713756), (10, 7856878), (20, 3928439), (617, 127340), (1234, 63670), (2468, 31835), (3085, 25468), (6170, 12734), (6367, 12340)]