2824240

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{821}}^1$

素因数の和:877

約数の個数: 40

約数和(自身を含む): 6727248

約数和(自身を除く): 3903008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 821, 860, 1642, 1720, 3284, 3440, 4105, 6568, 8210, 13136, 16420, 32840, 35303, 65680, 70606, 141212, 176515, 282424, 353030, 564848, 706060, 1412120, 2824240]

約数ペア:

[(1, 2824240), (2, 1412120), (4, 706060), (5, 564848), (8, 353030), (10, 282424), (16, 176515), (20, 141212), (40, 70606), (43, 65680), (80, 35303), (86, 32840), (172, 16420), (215, 13136), (344, 8210), (430, 6568), (688, 4105), (821, 3440), (860, 3284), (1642, 1720)]