25329340

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{4507}}^1$

素因数の和:4797

約数の個数: 24

約数和(自身を含む): 53392752

約数和(自身を除く): 28063412

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 4507, 5620, 9014, 18028, 22535, 45070, 90140, 1266467, 2532934, 5065868, 6332335, 12664670, 25329340]

約数ペア:

[(1, 25329340), (2, 12664670), (4, 6332335), (5, 5065868), (10, 2532934), (20, 1266467), (281, 90140), (562, 45070), (1124, 22535), (1405, 18028), (2810, 9014), (4507, 5620)]