2780210

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{6781}}^1$

素因数の和:6829

約数の個数: 16

約数和(自身を含む): 5127192

約数和(自身を除く): 2346982

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 6781, 13562, 33905, 67810, 278021, 556042, 1390105, 2780210]

約数ペア:

[(1, 2780210), (2, 1390105), (5, 556042), (10, 278021), (41, 67810), (82, 33905), (205, 13562), (410, 6781)]