8415790

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1999}}^1$

素因数の和:2427

約数の個数: 16

約数和(自身を含む): 15192000

約数和(自身を除く): 6776210

約数列:

[1, 2, 5, 10, 421, 842, 1999, 2105, 3998, 4210, 9995, 19990, 841579, 1683158, 4207895, 8415790]

約数ペア:

[(1, 8415790), (2, 4207895), (5, 1683158), (10, 841579), (421, 19990), (842, 9995), (1999, 4210), (2105, 3998)]