80605010

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{20101}}^1$

素因数の和:20509

約数の個数: 16

約数和(自身を含む): 145458072

約数和(自身を除く): 64853062

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 20101, 40202, 100505, 201010, 8060501, 16121002, 40302505, 80605010]

約数ペア:

[(1, 80605010), (2, 40302505), (5, 16121002), (10, 8060501), (401, 201010), (802, 100505), (2005, 40202), (4010, 20101)]