26288375

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:260

約数の個数: 32

約数和(自身を含む): 35380800

約数和(自身を除く): 9092425

約数列:

[1, 5, 17, 25, 85, 89, 125, 139, 425, 445, 695, 1513, 2125, 2225, 2363, 3475, 7565, 11125, 11815, 12371, 17375, 37825, 59075, 61855, 189125, 210307, 295375, 309275, 1051535, 1546375, 5257675, 26288375]

約数ペア:

[(1, 26288375), (5, 5257675), (17, 1546375), (25, 1051535), (85, 309275), (89, 295375), (125, 210307), (139, 189125), (425, 61855), (445, 59075), (695, 37825), (1513, 17375), (2125, 12371), (2225, 11815), (2363, 11125), (3475, 7565)]