64111540

素因数分解:

$2^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{4909}}^1$

素因数の和:5571

約数の個数: 24

約数和(自身を含む): 134867880

約数和(自身を除く): 70756340

約数列:

[1, 2, 4, 5, 10, 20, 653, 1306, 2612, 3265, 4909, 6530, 9818, 13060, 19636, 24545, 49090, 98180, 3205577, 6411154, 12822308, 16027885, 32055770, 64111540]

約数ペア:

[(1, 64111540), (2, 32055770), (4, 16027885), (5, 12822308), (10, 6411154), (20, 3205577), (653, 98180), (1306, 49090), (2612, 24545), (3265, 19636), (4909, 13060), (6530, 9818)]