7980010

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{7901}}^1$

素因数の和:8009

約数の個数: 16

約数和(自身を含む): 14508072

約数和(自身を除く): 6528062

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 7901, 15802, 39505, 79010, 798001, 1596002, 3990005, 7980010]

約数ペア:

[(1, 7980010), (2, 3990005), (5, 1596002), (10, 798001), (101, 79010), (202, 39505), (505, 15802), (1010, 7901)]