27481420

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{15439}}^1$

素因数の和:15537

約数の個数: 24

約数和(自身を含む): 58363200

約数和(自身を除く): 30881780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 15439, 30878, 61756, 77195, 154390, 308780, 1374071, 2748142, 5496284, 6870355, 13740710, 27481420]

約数ペア:

[(1, 27481420), (2, 13740710), (4, 6870355), (5, 5496284), (10, 2748142), (20, 1374071), (89, 308780), (178, 154390), (356, 77195), (445, 61756), (890, 30878), (1780, 15439)]