84181640

素因数分解:

$2^3\times 5^1\times {\mathrm{2104541}}^1$

素因数の和:2104552

約数の個数: 16

約数和(自身を含む): 189408780

約数和(自身を除く): 105227140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2104541, 4209082, 8418164, 10522705, 16836328, 21045410, 42090820, 84181640]

約数ペア:

[(1, 84181640), (2, 42090820), (4, 21045410), (5, 16836328), (8, 10522705), (10, 8418164), (20, 4209082), (40, 2104541)]