8685040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1193}}^1$

素因数の和:1226

約数の個数: 80

約数和(自身を含む): 24873408

約数和(自身を除く): 16188368

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1193, 1456, 1820, 2386, 3640, 4772, 5965, 7280, 8351, 9544, 11930, 15509, 16702, 19088, 23860, 31018, 33404, 41755, 47720, 62036, 66808, 77545, 83510, 95440, 108563, 124072, 133616, 155090, 167020, 217126, 248144, 310180, 334040, 434252, 542815, 620360, 668080, 868504, 1085630, 1240720, 1737008, 2171260, 4342520, 8685040]

約数ペア:

[(1, 8685040), (2, 4342520), (4, 2171260), (5, 1737008), (7, 1240720), (8, 1085630), (10, 868504), (13, 668080), (14, 620360), (16, 542815), (20, 434252), (26, 334040), (28, 310180), (35, 248144), (40, 217126), (52, 167020), (56, 155090), (65, 133616), (70, 124072), (80, 108563), (91, 95440), (104, 83510), (112, 77545), (130, 66808), (140, 62036), (182, 47720), (208, 41755), (260, 33404), (280, 31018), (364, 23860), (455, 19088), (520, 16702), (560, 15509), (728, 11930), (910, 9544), (1040, 8351), (1193, 7280), (1456, 5965), (1820, 4772), (2386, 3640)]