2091281890

素因数分解:

$2^1\times 5^1\times {\mathrm{4021}}^1\times {\mathrm{52009}}^1$

素因数の和:56037

約数の個数: 16

約数和(自身を含む): 3765315960

約数和(自身を除く): 1674034070

約数列:

[1, 2, 5, 10, 4021, 8042, 20105, 40210, 52009, 104018, 260045, 520090, 209128189, 418256378, 1045640945, 2091281890]

約数ペア:

[(1, 2091281890), (2, 1045640945), (5, 418256378), (10, 209128189), (4021, 520090), (8042, 260045), (20105, 104018), (40210, 52009)]