6720760

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{419}}^1$

素因数の和:831

約数の個数: 32

約数和(自身を含む): 15195600

約数和(自身を除く): 8474840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 419, 802, 838, 1604, 1676, 2005, 2095, 3208, 3352, 4010, 4190, 8020, 8380, 16040, 16760, 168019, 336038, 672076, 840095, 1344152, 1680190, 3360380, 6720760]

約数ペア:

[(1, 6720760), (2, 3360380), (4, 1680190), (5, 1344152), (8, 840095), (10, 672076), (20, 336038), (40, 168019), (401, 16760), (419, 16040), (802, 8380), (838, 8020), (1604, 4190), (1676, 4010), (2005, 3352), (2095, 3208)]