50420720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{503}}^1$

素因数の和:702

約数の個数: 80

約数和(自身を含む): 134991360

約数和(自身を除く): 84570640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 179, 280, 358, 503, 560, 716, 895, 1006, 1253, 1432, 1790, 2012, 2506, 2515, 2864, 3521, 3580, 4024, 5012, 5030, 6265, 7042, 7160, 8048, 10024, 10060, 12530, 14084, 14320, 17605, 20048, 20120, 25060, 28168, 35210, 40240, 50120, 56336, 70420, 90037, 100240, 140840, 180074, 281680, 360148, 450185, 630259, 720296, 900370, 1260518, 1440592, 1800740, 2521036, 3151295, 3601480, 5042072, 6302590, 7202960, 10084144, 12605180, 25210360, 50420720]

約数ペア:

[(1, 50420720), (2, 25210360), (4, 12605180), (5, 10084144), (7, 7202960), (8, 6302590), (10, 5042072), (14, 3601480), (16, 3151295), (20, 2521036), (28, 1800740), (35, 1440592), (40, 1260518), (56, 900370), (70, 720296), (80, 630259), (112, 450185), (140, 360148), (179, 281680), (280, 180074), (358, 140840), (503, 100240), (560, 90037), (716, 70420), (895, 56336), (1006, 50120), (1253, 40240), (1432, 35210), (1790, 28168), (2012, 25060), (2506, 20120), (2515, 20048), (2864, 17605), (3521, 14320), (3580, 14084), (4024, 12530), (5012, 10060), (5030, 10024), (6265, 8048), (7042, 7160)]