71400425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3907}}^1$

素因数の和:3977

約数の個数: 24

約数和(自身を含む): 95949216

約数和(自身を除く): 24548791

約数列:

[1, 5, 17, 25, 43, 85, 215, 425, 731, 1075, 3655, 3907, 18275, 19535, 66419, 97675, 168001, 332095, 840005, 1660475, 2856017, 4200025, 14280085, 71400425]

約数ペア:

[(1, 71400425), (5, 14280085), (17, 4200025), (25, 2856017), (43, 1660475), (85, 840005), (215, 332095), (425, 168001), (731, 97675), (1075, 66419), (3655, 19535), (3907, 18275)]