204708520

素因数分解:

$2^3\times 5^1\times {\mathrm{5117713}}^1$

素因数の和:5117724

約数の個数: 16

約数和(自身を含む): 460594260

約数和(自身を除く): 255885740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5117713, 10235426, 20470852, 25588565, 40941704, 51177130, 102354260, 204708520]

約数ペア:

[(1, 204708520), (2, 102354260), (4, 51177130), (5, 40941704), (8, 25588565), (10, 20470852), (20, 10235426), (40, 5117713)]