40200188

素因数分解:

$2^2\times 7^2\times {\mathrm{205103}}^1$

素因数の和:205121

約数の個数: 18

約数和(自身を含む): 81836496

約数和(自身を除く): 41636308

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 205103, 410206, 820412, 1435721, 2871442, 5742884, 10050047, 20100094, 40200188]

約数ペア:

[(1, 40200188), (2, 20100094), (4, 10050047), (7, 5742884), (14, 2871442), (28, 1435721), (49, 820412), (98, 410206), (196, 205103)]