61351540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71339}}^1$

素因数の和:71391

約数の個数: 24

約数和(自身を含む): 131836320

約数和(自身を除く): 70484780

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 71339, 142678, 285356, 356695, 713390, 1426780, 3067577, 6135154, 12270308, 15337885, 30675770, 61351540]

約数ペア:

[(1, 61351540), (2, 30675770), (4, 15337885), (5, 12270308), (10, 6135154), (20, 3067577), (43, 1426780), (86, 713390), (172, 356695), (215, 285356), (430, 142678), (860, 71339)]