12865640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{8693}}^1$

素因数の和:8741

約数の個数: 32

約数和(自身を含む): 29733480

約数和(自身を除く): 16867840

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 8693, 17386, 34772, 43465, 69544, 86930, 173860, 321641, 347720, 643282, 1286564, 1608205, 2573128, 3216410, 6432820, 12865640]

約数ペア:

[(1, 12865640), (2, 6432820), (4, 3216410), (5, 2573128), (8, 1608205), (10, 1286564), (20, 643282), (37, 347720), (40, 321641), (74, 173860), (148, 86930), (185, 69544), (296, 43465), (370, 34772), (740, 17386), (1480, 8693)]