2025171025

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{509}}^1\times {\mathrm{2609}}^1$

素因数の和:3189

約数の個数: 24

約数和(自身を含む): 2558374200

約数和(自身を除く): 533203175

約数列:

[1, 5, 25, 61, 305, 509, 1525, 2545, 2609, 12725, 13045, 31049, 65225, 155245, 159149, 776225, 795745, 1327981, 3978725, 6639905, 33199525, 81006841, 405034205, 2025171025]

約数ペア:

[(1, 2025171025), (5, 405034205), (25, 81006841), (61, 33199525), (305, 6639905), (509, 3978725), (1525, 1327981), (2545, 795745), (2609, 776225), (12725, 159149), (13045, 155245), (31049, 65225)]