7681420

素因数分解:

$2^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{887}}^1$

素因数の和:1329

約数の個数: 24

約数和(自身を含む): 16186464

約数和(自身を除く): 8505044

約数列:

[1, 2, 4, 5, 10, 20, 433, 866, 887, 1732, 1774, 2165, 3548, 4330, 4435, 8660, 8870, 17740, 384071, 768142, 1536284, 1920355, 3840710, 7681420]

約数ペア:

[(1, 7681420), (2, 3840710), (4, 1920355), (5, 1536284), (10, 768142), (20, 384071), (433, 17740), (866, 8870), (887, 8660), (1732, 4435), (1774, 4330), (2165, 3548)]