8748380

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1039}}^1$

素因数の和:1469

約数の個数: 24

約数和(自身を含む): 18432960

約数和(自身を除く): 9684580

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1039, 1684, 2078, 2105, 4156, 4210, 5195, 8420, 10390, 20780, 437419, 874838, 1749676, 2187095, 4374190, 8748380]

約数ペア:

[(1, 8748380), (2, 4374190), (4, 2187095), (5, 1749676), (10, 874838), (20, 437419), (421, 20780), (842, 10390), (1039, 8420), (1684, 5195), (2078, 4210), (2105, 4156)]