78020

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:139

約数の個数: 24

約数和(自身を含む): 169344

約数和(自身を除く): 91324

約数列:

[1, 2, 4, 5, 10, 20, 47, 83, 94, 166, 188, 235, 332, 415, 470, 830, 940, 1660, 3901, 7802, 15604, 19505, 39010, 78020]

約数ペア:

[(1, 78020), (2, 39010), (4, 19505), (5, 15604), (10, 7802), (20, 3901), (47, 1660), (83, 940), (94, 830), (166, 470), (188, 415), (235, 332)]