81119180

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{86297}}^1$

素因数の和:86353

約数の個数: 24

約数和(自身を含む): 173976768

約数和(自身を除く): 92857588

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 86297, 172594, 345188, 431485, 862970, 1725940, 4055959, 8111918, 16223836, 20279795, 40559590, 81119180]

約数ペア:

[(1, 81119180), (2, 40559590), (4, 20279795), (5, 16223836), (10, 8111918), (20, 4055959), (47, 1725940), (94, 862970), (188, 431485), (235, 345188), (470, 172594), (940, 86297)]