68461220

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{7727}}^1$

素因数の和:8179

約数の個数: 24

約数和(自身を含む): 144111744

約数和(自身を除く): 75650524

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 4430, 7727, 8860, 15454, 30908, 38635, 77270, 154540, 3423061, 6846122, 13692244, 17115305, 34230610, 68461220]

約数ペア:

[(1, 68461220), (2, 34230610), (4, 17115305), (5, 13692244), (10, 6846122), (20, 3423061), (443, 154540), (886, 77270), (1772, 38635), (2215, 30908), (4430, 15454), (7727, 8860)]