2680540

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1327}}^1$

素因数の和:1437

約数の個数: 24

約数和(自身を含む): 5689152

約数和(自身を除く): 3008612

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 1327, 2020, 2654, 5308, 6635, 13270, 26540, 134027, 268054, 536108, 670135, 1340270, 2680540]

約数ペア:

[(1, 2680540), (2, 1340270), (4, 670135), (5, 536108), (10, 268054), (20, 134027), (101, 26540), (202, 13270), (404, 6635), (505, 5308), (1010, 2654), (1327, 2020)]