25616825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{149}}^1$

素因数の和:218

約数の個数: 36

約数和(自身を含む): 36000300

約数和(自身を除く): 10383475

約数列:

[1, 5, 13, 23, 25, 65, 115, 149, 299, 325, 529, 575, 745, 1495, 1937, 2645, 3427, 3725, 6877, 7475, 9685, 13225, 17135, 34385, 44551, 48425, 78821, 85675, 171925, 222755, 394105, 1024673, 1113775, 1970525, 5123365, 25616825]

約数ペア:

[(1, 25616825), (5, 5123365), (13, 1970525), (23, 1113775), (25, 1024673), (65, 394105), (115, 222755), (149, 171925), (299, 85675), (325, 78821), (529, 48425), (575, 44551), (745, 34385), (1495, 17135), (1937, 13225), (2645, 9685), (3427, 7475), (3725, 6877)]