4285780

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{509}}^1$

素因数の和:939

約数の個数: 24

約数和(自身を含む): 9039240

約数和(自身を除く): 4753460

約数列:

[1, 2, 4, 5, 10, 20, 421, 509, 842, 1018, 1684, 2036, 2105, 2545, 4210, 5090, 8420, 10180, 214289, 428578, 857156, 1071445, 2142890, 4285780]

約数ペア:

[(1, 4285780), (2, 2142890), (4, 1071445), (5, 857156), (10, 428578), (20, 214289), (421, 10180), (509, 8420), (842, 5090), (1018, 4210), (1684, 2545), (2036, 2105)]