2025680

素因数分解:

$2^4\times 5^1\times {\mathrm{25321}}^1$

素因数の和:25334

約数の個数: 20

約数和(自身を含む): 4709892

約数和(自身を除く): 2684212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25321, 50642, 101284, 126605, 202568, 253210, 405136, 506420, 1012840, 2025680]

約数ペア:

[(1, 2025680), (2, 1012840), (4, 506420), (5, 405136), (8, 253210), (10, 202568), (16, 126605), (20, 101284), (40, 50642), (80, 25321)]