88891420

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{49939}}^1$

素因数の和:50037

約数の個数: 24

約数和(自身を含む): 188773200

約数和(自身を除く): 99881780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 49939, 99878, 199756, 249695, 499390, 998780, 4444571, 8889142, 17778284, 22222855, 44445710, 88891420]

約数ペア:

[(1, 88891420), (2, 44445710), (4, 22222855), (5, 17778284), (10, 8889142), (20, 4444571), (89, 998780), (178, 499390), (356, 249695), (445, 199756), (890, 99878), (1780, 49939)]