80821059260

素因数分解:

$2^2\times 5^1\times {\mathrm{10303}}^1\times {\mathrm{392221}}^1$

素因数の和:402533

約数の個数: 24

約数和(自身を含む): 169741130496

約数和(自身を除く): 88920071236

約数列:

[1, 2, 4, 5, 10, 20, 10303, 20606, 41212, 51515, 103030, 206060, 392221, 784442, 1568884, 1961105, 3922210, 7844420, 4041052963, 8082105926, 16164211852, 20205264815, 40410529630, 80821059260]

約数ペア:

[(1, 80821059260), (2, 40410529630), (4, 20205264815), (5, 16164211852), (10, 8082105926), (20, 4041052963), (10303, 7844420), (20606, 3922210), (41212, 1961105), (51515, 1568884), (103030, 784442), (206060, 392221)]