42420808

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{52501}}^1$

素因数の和:52608

約数の個数: 16

約数和(自身を含む): 80328060

約数和(自身を除く): 37907252

約数列:

[1, 2, 4, 8, 101, 202, 404, 808, 52501, 105002, 210004, 420008, 5302601, 10605202, 21210404, 42420808]

約数ペア:

[(1, 42420808), (2, 21210404), (4, 10605202), (8, 5302601), (101, 420008), (202, 210004), (404, 105002), (808, 52501)]