4065125

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{1913}}^1$

素因数の和:1945

約数の個数: 16

約数和(自身を含む): 5374512

約数和(自身を除く): 1309387

約数列:

[1, 5, 17, 25, 85, 125, 425, 1913, 2125, 9565, 32521, 47825, 162605, 239125, 813025, 4065125]

約数ペア:

[(1, 4065125), (5, 813025), (17, 239125), (25, 162605), (85, 47825), (125, 32521), (425, 9565), (1913, 2125)]