68810780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181081}}^1$

素因数の和:181109

約数の個数: 24

約数和(自身を含む): 152108880

約数和(自身を除く): 83298100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 181081, 362162, 724324, 905405, 1810810, 3440539, 3621620, 6881078, 13762156, 17202695, 34405390, 68810780]

約数ペア:

[(1, 68810780), (2, 34405390), (4, 17202695), (5, 13762156), (10, 6881078), (19, 3621620), (20, 3440539), (38, 1810810), (76, 905405), (95, 724324), (190, 362162), (380, 181081)]