207664780

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{24781}}^1$

素因数の和:25209

約数の個数: 24

約数和(自身を含む): 437154480

約数和(自身を除く): 229489700

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 2095, 4190, 8380, 24781, 49562, 99124, 123905, 247810, 495620, 10383239, 20766478, 41532956, 51916195, 103832390, 207664780]

約数ペア:

[(1, 207664780), (2, 103832390), (4, 51916195), (5, 41532956), (10, 20766478), (20, 10383239), (419, 495620), (838, 247810), (1676, 123905), (2095, 99124), (4190, 49562), (8380, 24781)]