7923220

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{941}}^1$

素因数の和:1371

約数の個数: 24

約数和(自身を含む): 16696008

約数和(自身を除く): 8772788

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 941, 1684, 1882, 2105, 3764, 4210, 4705, 8420, 9410, 18820, 396161, 792322, 1584644, 1980805, 3961610, 7923220]

約数ペア:

[(1, 7923220), (2, 3961610), (4, 1980805), (5, 1584644), (10, 792322), (20, 396161), (421, 18820), (842, 9410), (941, 8420), (1684, 4705), (1882, 4210), (2105, 3764)]