25706420

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{2251}}^1$

素因数の和:2831

約数の個数: 24

約数和(自身を含む): 54102048

約数和(自身を除く): 28395628

約数列:

[1, 2, 4, 5, 10, 20, 571, 1142, 2251, 2284, 2855, 4502, 5710, 9004, 11255, 11420, 22510, 45020, 1285321, 2570642, 5141284, 6426605, 12853210, 25706420]

約数ペア:

[(1, 25706420), (2, 12853210), (4, 6426605), (5, 5141284), (10, 2570642), (20, 1285321), (571, 45020), (1142, 22510), (2251, 11420), (2284, 11255), (2855, 9004), (4502, 5710)]