12851240

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3181}}^1$

素因数の和:3293

約数の個数: 32

約数和(自身を含む): 29210760

約数和(自身を除く): 16359520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 3181, 4040, 6362, 12724, 15905, 25448, 31810, 63620, 127240, 321281, 642562, 1285124, 1606405, 2570248, 3212810, 6425620, 12851240]

約数ペア:

[(1, 12851240), (2, 6425620), (4, 3212810), (5, 2570248), (8, 1606405), (10, 1285124), (20, 642562), (40, 321281), (101, 127240), (202, 63620), (404, 31810), (505, 25448), (808, 15905), (1010, 12724), (2020, 6362), (3181, 4040)]