78504025

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{709}}^1$

素因数の和:865

約数の個数: 24

約数和(自身を含む): 100717760

約数和(自身を除く): 22213735

約数列:

[1, 5, 25, 43, 103, 215, 515, 709, 1075, 2575, 3545, 4429, 17725, 22145, 30487, 73027, 110725, 152435, 365135, 762175, 1825675, 3140161, 15700805, 78504025]

約数ペア:

[(1, 78504025), (5, 15700805), (25, 3140161), (43, 1825675), (103, 762175), (215, 365135), (515, 152435), (709, 110725), (1075, 73027), (2575, 30487), (3545, 22145), (4429, 17725)]