61581460

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{4759}}^1$

素因数の和:5415

約数の個数: 24

約数和(自身を含む): 129548160

約数和(自身を除く): 67966700

約数列:

[1, 2, 4, 5, 10, 20, 647, 1294, 2588, 3235, 4759, 6470, 9518, 12940, 19036, 23795, 47590, 95180, 3079073, 6158146, 12316292, 15395365, 30790730, 61581460]

約数ペア:

[(1, 61581460), (2, 30790730), (4, 15395365), (5, 12316292), (10, 6158146), (20, 3079073), (647, 95180), (1294, 47590), (2588, 23795), (3235, 19036), (4759, 12940), (6470, 9518)]