1957220

素因数分解:

$2^2\times 5^1\times {\mathrm{97861}}^1$

素因数の和:97870

約数の個数: 12

約数和(自身を含む): 4110204

約数和(自身を除く): 2152984

約数列:

[1, 2, 4, 5, 10, 20, 97861, 195722, 391444, 489305, 978610, 1957220]

約数ペア:

[(1, 1957220), (2, 978610), (4, 489305), (5, 391444), (10, 195722), (20, 97861)]