2825980

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1399}}^1$

素因数の和:1509

約数の個数: 24

約数和(自身を含む): 5997600

約数和(自身を除く): 3171620

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 1399, 2020, 2798, 5596, 6995, 13990, 27980, 141299, 282598, 565196, 706495, 1412990, 2825980]

約数ペア:

[(1, 2825980), (2, 1412990), (4, 706495), (5, 565196), (10, 282598), (20, 141299), (101, 27980), (202, 13990), (404, 6995), (505, 5596), (1010, 2798), (1399, 2020)]