8013280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:212

約数の個数: 96

約数和(自身を含む): 21500640

約数和(自身を除く): 13487360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 32, 40, 44, 55, 58, 80, 88, 110, 116, 145, 157, 160, 176, 220, 232, 290, 314, 319, 352, 440, 464, 580, 628, 638, 785, 880, 928, 1160, 1256, 1276, 1570, 1595, 1727, 1760, 2320, 2512, 2552, 3140, 3190, 3454, 4553, 4640, 5024, 5104, 6280, 6380, 6908, 8635, 9106, 10208, 12560, 12760, 13816, 17270, 18212, 22765, 25120, 25520, 27632, 34540, 36424, 45530, 50083, 51040, 55264, 69080, 72848, 91060, 100166, 138160, 145696, 182120, 200332, 250415, 276320, 364240, 400664, 500830, 728480, 801328, 1001660, 1602656, 2003320, 4006640, 8013280]

約数ペア:

[(1, 8013280), (2, 4006640), (4, 2003320), (5, 1602656), (8, 1001660), (10, 801328), (11, 728480), (16, 500830), (20, 400664), (22, 364240), (29, 276320), (32, 250415), (40, 200332), (44, 182120), (55, 145696), (58, 138160), (80, 100166), (88, 91060), (110, 72848), (116, 69080), (145, 55264), (157, 51040), (160, 50083), (176, 45530), (220, 36424), (232, 34540), (290, 27632), (314, 25520), (319, 25120), (352, 22765), (440, 18212), (464, 17270), (580, 13816), (628, 12760), (638, 12560), (785, 10208), (880, 9106), (928, 8635), (1160, 6908), (1256, 6380), (1276, 6280), (1570, 5104), (1595, 5024), (1727, 4640), (1760, 4553), (2320, 3454), (2512, 3190), (2552, 3140)]