25693040

素因数分解:

$2^4\times 5^1\times {\mathrm{321163}}^1$

素因数の和:321176

約数の個数: 20

約数和(自身を含む): 59736504

約数和(自身を除く): 34043464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 321163, 642326, 1284652, 1605815, 2569304, 3211630, 5138608, 6423260, 12846520, 25693040]

約数ペア:

[(1, 25693040), (2, 12846520), (4, 6423260), (5, 5138608), (8, 3211630), (10, 2569304), (16, 1605815), (20, 1284652), (40, 642326), (80, 321163)]