212268520

素因数分解:

$2^3\times 5^1\times {\mathrm{5306713}}^1$

素因数の和:5306724

約数の個数: 16

約数和(自身を含む): 477604260

約数和(自身を除く): 265335740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5306713, 10613426, 21226852, 26533565, 42453704, 53067130, 106134260, 212268520]

約数ペア:

[(1, 212268520), (2, 106134260), (4, 53067130), (5, 42453704), (8, 26533565), (10, 21226852), (20, 10613426), (40, 5306713)]