85384240

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{24821}}^1$

素因数の和:24877

約数の個数: 40

約数和(自身を含む): 203143248

約数和(自身を除く): 117759008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 24821, 49642, 99284, 124105, 198568, 248210, 397136, 496420, 992840, 1067303, 1985680, 2134606, 4269212, 5336515, 8538424, 10673030, 17076848, 21346060, 42692120, 85384240]

約数ペア:

[(1, 85384240), (2, 42692120), (4, 21346060), (5, 17076848), (8, 10673030), (10, 8538424), (16, 5336515), (20, 4269212), (40, 2134606), (43, 1985680), (80, 1067303), (86, 992840), (172, 496420), (215, 397136), (344, 248210), (430, 198568), (688, 124105), (860, 99284), (1720, 49642), (3440, 24821)]