90981640

素因数分解:

$2^3\times 5^1\times {\mathrm{2274541}}^1$

素因数の和:2274552

約数の個数: 16

約数和(自身を含む): 204708780

約数和(自身を除く): 113727140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2274541, 4549082, 9098164, 11372705, 18196328, 22745410, 45490820, 90981640]

約数ペア:

[(1, 90981640), (2, 45490820), (4, 22745410), (5, 18196328), (8, 11372705), (10, 9098164), (20, 4549082), (40, 2274541)]