8162120

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{487}}^1$

素因数の和:917

約数の個数: 32

約数和(自身を含む): 18446400

約数和(自身を除く): 10284280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 487, 838, 974, 1676, 1948, 2095, 2435, 3352, 3896, 4190, 4870, 8380, 9740, 16760, 19480, 204053, 408106, 816212, 1020265, 1632424, 2040530, 4081060, 8162120]

約数ペア:

[(1, 8162120), (2, 4081060), (4, 2040530), (5, 1632424), (8, 1020265), (10, 816212), (20, 408106), (40, 204053), (419, 19480), (487, 16760), (838, 9740), (974, 8380), (1676, 4870), (1948, 4190), (2095, 3896), (2435, 3352)]