8021125

素因数分解:

$5^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:214

約数の個数: 32

約数和(自身を含む): 11681280

約数和(自身を除く): 3660155

約数列:

[1, 5, 7, 25, 35, 89, 103, 125, 175, 445, 515, 623, 721, 875, 2225, 2575, 3115, 3605, 9167, 11125, 12875, 15575, 18025, 45835, 64169, 77875, 90125, 229175, 320845, 1145875, 1604225, 8021125]

約数ペア:

[(1, 8021125), (5, 1604225), (7, 1145875), (25, 320845), (35, 229175), (89, 90125), (103, 77875), (125, 64169), (175, 45835), (445, 18025), (515, 15575), (623, 12875), (721, 11125), (875, 9167), (2225, 3605), (2575, 3115)]