28165030

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{547}}^1$

素因数の和:844

約数の個数: 32

約数和(自身を含む): 53660160

約数和(自身を除く): 25495130

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 271, 542, 547, 1094, 1355, 2710, 2735, 5149, 5470, 10298, 10393, 20786, 25745, 51490, 51965, 103930, 148237, 296474, 741185, 1482370, 2816503, 5633006, 14082515, 28165030]

約数ペア:

[(1, 28165030), (2, 14082515), (5, 5633006), (10, 2816503), (19, 1482370), (38, 741185), (95, 296474), (190, 148237), (271, 103930), (542, 51965), (547, 51490), (1094, 25745), (1355, 20786), (2710, 10393), (2735, 10298), (5149, 5470)]