2603780

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1289}}^1$

素因数の和:1399

約数の個数: 24

約数和(自身を含む): 5526360

約数和(自身を除く): 2922580

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 1289, 2020, 2578, 5156, 6445, 12890, 25780, 130189, 260378, 520756, 650945, 1301890, 2603780]

約数ペア:

[(1, 2603780), (2, 1301890), (4, 650945), (5, 520756), (10, 260378), (20, 130189), (101, 25780), (202, 12890), (404, 6445), (505, 5156), (1010, 2578), (1289, 2020)]