89806840

素因数分解:

$2^3\times 5^1\times {\mathrm{2245171}}^1$

素因数の和:2245182

約数の個数: 16

約数和(自身を含む): 202065480

約数和(自身を除く): 112258640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2245171, 4490342, 8980684, 11225855, 17961368, 22451710, 44903420, 89806840]

約数ペア:

[(1, 89806840), (2, 44903420), (4, 22451710), (5, 17961368), (8, 11225855), (10, 8980684), (20, 4490342), (40, 2245171)]