13210220

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{6173}}^1$

素因数の和:6289

約数の個数: 24

約数和(自身を含む): 28005264

約数和(自身を除く): 14795044

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 6173, 12346, 24692, 30865, 61730, 123460, 660511, 1321022, 2642044, 3302555, 6605110, 13210220]

約数ペア:

[(1, 13210220), (2, 6605110), (4, 3302555), (5, 2642044), (10, 1321022), (20, 660511), (107, 123460), (214, 61730), (428, 30865), (535, 24692), (1070, 12346), (2140, 6173)]