81074060

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{86249}}^1$

素因数の和:86305

約数の個数: 24

約数和(自身を含む): 173880000

約数和(自身を除く): 92805940

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 86249, 172498, 344996, 431245, 862490, 1724980, 4053703, 8107406, 16214812, 20268515, 40537030, 81074060]

約数ペア:

[(1, 81074060), (2, 40537030), (4, 20268515), (5, 16214812), (10, 8107406), (20, 4053703), (47, 1724980), (94, 862490), (188, 431245), (235, 344996), (470, 172498), (940, 86249)]