28775320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{102769}}^1$

素因数の和:102787

約数の個数: 32

約数和(自身を含む): 73994400

約数和(自身を除く): 45219080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 102769, 205538, 411076, 513845, 719383, 822152, 1027690, 1438766, 2055380, 2877532, 3596915, 4110760, 5755064, 7193830, 14387660, 28775320]

約数ペア:

[(1, 28775320), (2, 14387660), (4, 7193830), (5, 5755064), (7, 4110760), (8, 3596915), (10, 2877532), (14, 2055380), (20, 1438766), (28, 1027690), (35, 822152), (40, 719383), (56, 513845), (70, 411076), (140, 205538), (280, 102769)]