40720732

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25261}}^1$

素因数の和:25309

約数の個数: 24

約数和(自身を含む): 79221632

約数和(自身を除く): 38500900

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 25261, 50522, 101044, 328393, 656786, 783091, 1313572, 1566182, 3132364, 10180183, 20360366, 40720732]

約数ペア:

[(1, 40720732), (2, 20360366), (4, 10180183), (13, 3132364), (26, 1566182), (31, 1313572), (52, 783091), (62, 656786), (124, 328393), (403, 101044), (806, 50522), (1612, 25261)]