77087380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{94009}}^1$

素因数の和:94059

約数の個数: 24

約数和(自身を含む): 165833640

約数和(自身を除く): 88746260

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 94009, 188018, 376036, 470045, 940090, 1880180, 3854369, 7708738, 15417476, 19271845, 38543690, 77087380]

約数ペア:

[(1, 77087380), (2, 38543690), (4, 19271845), (5, 15417476), (10, 7708738), (20, 3854369), (41, 1880180), (82, 940090), (164, 470045), (205, 376036), (410, 188018), (820, 94009)]