2644240

素因数分解:

$2^4\times 5^1\times {\mathrm{33053}}^1$

素因数の和:33066

約数の個数: 20

約数和(自身を含む): 6148044

約数和(自身を除く): 3503804

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 33053, 66106, 132212, 165265, 264424, 330530, 528848, 661060, 1322120, 2644240]

約数ペア:

[(1, 2644240), (2, 1322120), (4, 661060), (5, 528848), (8, 330530), (10, 264424), (16, 165265), (20, 132212), (40, 66106), (80, 33053)]