4001998.00000000

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{11701}}^1$

素因数の和:12129

約数の個数: 16

約数和(自身を含む): 88888392

約数和(自身を除く): 39627182

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 11701, 23402, 58505, 117010, 4926121, 9852242, 24630605, 49261210]

約数ペア:

[(1, 49261210), (2, 24630605), (5, 9852242), (10, 4926121), (421, 117010), (842, 58505), (2105, 23402), (4210, 11701)]