2056360

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{509}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 4681800

約数和(自身を除く): 2625440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 509, 808, 1010, 1018, 2020, 2036, 2545, 4040, 4072, 5090, 10180, 20360, 51409, 102818, 205636, 257045, 411272, 514090, 1028180, 2056360]

約数ペア:

[(1, 2056360), (2, 1028180), (4, 514090), (5, 411272), (8, 257045), (10, 205636), (20, 102818), (40, 51409), (101, 20360), (202, 10180), (404, 5090), (505, 4072), (509, 4040), (808, 2545), (1010, 2036), (1018, 2020)]