22425680

素因数分解:

$2^4\times 5^1\times {\mathrm{280321}}^1$

素因数の和:280334

約数の個数: 20

約数和(自身を含む): 52139892

約数和(自身を除く): 29714212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 280321, 560642, 1121284, 1401605, 2242568, 2803210, 4485136, 5606420, 11212840, 22425680]

約数ペア:

[(1, 22425680), (2, 11212840), (4, 5606420), (5, 4485136), (8, 2803210), (10, 2242568), (16, 1401605), (20, 1121284), (40, 560642), (80, 280321)]