206842520

素因数分解:

$2^3\times 5^1\times {\mathrm{5171063}}^1$

素因数の和:5171074

約数の個数: 16

約数和(自身を含む): 465395760

約数和(自身を除く): 258553240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5171063, 10342126, 20684252, 25855315, 41368504, 51710630, 103421260, 206842520]

約数ペア:

[(1, 206842520), (2, 103421260), (4, 51710630), (5, 41368504), (8, 25855315), (10, 20684252), (20, 10342126), (40, 5171063)]