40393985

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{2111}}^1$

素因数の和:2248

約数の個数: 16

約数和(自身を含む): 50181120

約数和(自身を除く): 9787135

約数列:

[1, 5, 43, 89, 215, 445, 2111, 3827, 10555, 19135, 90773, 187879, 453865, 939395, 8078797, 40393985]

約数ペア:

[(1, 40393985), (5, 8078797), (43, 939395), (89, 453865), (215, 187879), (445, 90773), (2111, 19135), (3827, 10555)]