42100990

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{10499}}^1$

素因数の和:10907

約数の個数: 16

約数和(自身を含む): 75978000

約数和(自身を除く): 33877010

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 10499, 20998, 52495, 104990, 4210099, 8420198, 21050495, 42100990]

約数ペア:

[(1, 42100990), (2, 21050495), (5, 8420198), (10, 4210099), (401, 104990), (802, 52495), (2005, 20998), (4010, 10499)]