61665080

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{4957}}^1$

素因数の和:5279

約数の個数: 32

約数和(自身を含む): 139220640

約数和(自身を除く): 77555560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 4957, 6220, 9914, 12440, 19828, 24785, 39656, 49570, 99140, 198280, 1541627, 3083254, 6166508, 7708135, 12333016, 15416270, 30832540, 61665080]

約数ペア:

[(1, 61665080), (2, 30832540), (4, 15416270), (5, 12333016), (8, 7708135), (10, 6166508), (20, 3083254), (40, 1541627), (311, 198280), (622, 99140), (1244, 49570), (1555, 39656), (2488, 24785), (3110, 19828), (4957, 12440), (6220, 9914)]