2041090

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{509}}^1$

素因数の和:917

約数の個数: 16

約数和(自身を含む): 3690360

約数和(自身を除く): 1649270

約数列:

[1, 2, 5, 10, 401, 509, 802, 1018, 2005, 2545, 4010, 5090, 204109, 408218, 1020545, 2041090]

約数ペア:

[(1, 2041090), (2, 1020545), (5, 408218), (10, 204109), (401, 5090), (509, 4010), (802, 2545), (1018, 2005)]