8380385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4159}}^1$

素因数の和:4208

約数の個数: 16

約数和(自身を含む): 11182080

約数和(自身を除く): 2801695

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 4159, 20795, 54067, 128929, 270335, 644645, 1676077, 8380385]

約数ペア:

[(1, 8380385), (5, 1676077), (13, 644645), (31, 270335), (65, 128929), (155, 54067), (403, 20795), (2015, 4159)]