25938680

素因数分解:

$2^3\times 5^1\times {\mathrm{617}}^1\times {\mathrm{1051}}^1$

素因数の和:1679

約数の個数: 32

約数和(自身を含む): 58512240

約数和(自身を除く): 32573560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 617, 1051, 1234, 2102, 2468, 3085, 4204, 4936, 5255, 6170, 8408, 10510, 12340, 21020, 24680, 42040, 648467, 1296934, 2593868, 3242335, 5187736, 6484670, 12969340, 25938680]

約数ペア:

[(1, 25938680), (2, 12969340), (4, 6484670), (5, 5187736), (8, 3242335), (10, 2593868), (20, 1296934), (40, 648467), (617, 42040), (1051, 24680), (1234, 21020), (2102, 12340), (2468, 10510), (3085, 8408), (4204, 6170), (4936, 5255)]