85533020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{367}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 184977408

約数和(自身を除く): 99444388

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 271, 367, 430, 542, 734, 860, 1084, 1355, 1468, 1835, 2710, 3670, 5420, 7340, 11653, 15781, 23306, 31562, 46612, 58265, 63124, 78905, 99457, 116530, 157810, 198914, 233060, 315620, 397828, 497285, 994570, 1989140, 4276651, 8553302, 17106604, 21383255, 42766510, 85533020]

約数ペア:

[(1, 85533020), (2, 42766510), (4, 21383255), (5, 17106604), (10, 8553302), (20, 4276651), (43, 1989140), (86, 994570), (172, 497285), (215, 397828), (271, 315620), (367, 233060), (430, 198914), (542, 157810), (734, 116530), (860, 99457), (1084, 78905), (1355, 63124), (1468, 58265), (1835, 46612), (2710, 31562), (3670, 23306), (5420, 15781), (7340, 11653)]