89181640

素因数分解:

$2^3\times 5^1\times {\mathrm{2229541}}^1$

素因数の和:2229552

約数の個数: 16

約数和(自身を含む): 200658780

約数和(自身を除く): 111477140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2229541, 4459082, 8918164, 11147705, 17836328, 22295410, 44590820, 89181640]

約数ペア:

[(1, 89181640), (2, 44590820), (4, 22295410), (5, 17836328), (8, 11147705), (10, 8918164), (20, 4459082), (40, 2229541)]