2100069080

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{130927}}^1$

素因数の和:131339

約数の個数: 32

約数和(自身を含む): 4736975040

約数和(自身を除く): 2636905960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 8020, 16040, 130927, 261854, 523708, 654635, 1047416, 1309270, 2618540, 5237080, 52501727, 105003454, 210006908, 262508635, 420013816, 525017270, 1050034540, 2100069080]

約数ペア:

[(1, 2100069080), (2, 1050034540), (4, 525017270), (5, 420013816), (8, 262508635), (10, 210006908), (20, 105003454), (40, 52501727), (401, 5237080), (802, 2618540), (1604, 1309270), (2005, 1047416), (3208, 654635), (4010, 523708), (8020, 261854), (16040, 130927)]