87940720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{157037}}^1$

素因数の和:157057

約数の個数: 40

約数和(自身を含む): 233672544

約数和(自身を除く): 145731824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 157037, 314074, 628148, 785185, 1099259, 1256296, 1570370, 2198518, 2512592, 3140740, 4397036, 5496295, 6281480, 8794072, 10992590, 12562960, 17588144, 21985180, 43970360, 87940720]

約数ペア:

[(1, 87940720), (2, 43970360), (4, 21985180), (5, 17588144), (7, 12562960), (8, 10992590), (10, 8794072), (14, 6281480), (16, 5496295), (20, 4397036), (28, 3140740), (35, 2512592), (40, 2198518), (56, 1570370), (70, 1256296), (80, 1099259), (112, 785185), (140, 628148), (280, 314074), (560, 157037)]