40425640

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{21503}}^1$

素因数の和:21561

約数の個数: 32

約数和(自身を含む): 92897280

約数和(自身を除く): 52471640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 21503, 43006, 86012, 107515, 172024, 215030, 430060, 860120, 1010641, 2021282, 4042564, 5053205, 8085128, 10106410, 20212820, 40425640]

約数ペア:

[(1, 40425640), (2, 20212820), (4, 10106410), (5, 8085128), (8, 5053205), (10, 4042564), (20, 2021282), (40, 1010641), (47, 860120), (94, 430060), (188, 215030), (235, 172024), (376, 107515), (470, 86012), (940, 43006), (1880, 21503)]