39255940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1399}}^1$

素因数の和:1492

約数の個数: 48

約数和(自身を含む): 87494400

約数和(自身を除く): 48238460

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 61, 92, 115, 122, 230, 244, 305, 460, 610, 1220, 1399, 1403, 2798, 2806, 5596, 5612, 6995, 7015, 13990, 14030, 27980, 28060, 32177, 64354, 85339, 128708, 160885, 170678, 321770, 341356, 426695, 643540, 853390, 1706780, 1962797, 3925594, 7851188, 9813985, 19627970, 39255940]

約数ペア:

[(1, 39255940), (2, 19627970), (4, 9813985), (5, 7851188), (10, 3925594), (20, 1962797), (23, 1706780), (46, 853390), (61, 643540), (92, 426695), (115, 341356), (122, 321770), (230, 170678), (244, 160885), (305, 128708), (460, 85339), (610, 64354), (1220, 32177), (1399, 28060), (1403, 27980), (2798, 14030), (2806, 13990), (5596, 7015), (5612, 6995)]