211285720

素因数分解:

$2^3\times 5^1\times {\mathrm{5282143}}^1$

素因数の和:5282154

約数の個数: 16

約数和(自身を含む): 475392960

約数和(自身を除く): 264107240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5282143, 10564286, 21128572, 26410715, 42257144, 52821430, 105642860, 211285720]

約数ペア:

[(1, 211285720), (2, 105642860), (4, 52821430), (5, 42257144), (8, 26410715), (10, 21128572), (20, 10564286), (40, 5282143)]