71782720

素因数分解:

$2^6\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2221}}^1$

素因数の和:2339

約数の個数: 56

約数和(自身を含む): 172702728

約数和(自身を除く): 100920008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 160, 202, 320, 404, 505, 808, 1010, 1616, 2020, 2221, 3232, 4040, 4442, 6464, 8080, 8884, 11105, 16160, 17768, 22210, 32320, 35536, 44420, 71072, 88840, 142144, 177680, 224321, 355360, 448642, 710720, 897284, 1121605, 1794568, 2243210, 3589136, 4486420, 7178272, 8972840, 14356544, 17945680, 35891360, 71782720]

約数ペア:

[(1, 71782720), (2, 35891360), (4, 17945680), (5, 14356544), (8, 8972840), (10, 7178272), (16, 4486420), (20, 3589136), (32, 2243210), (40, 1794568), (64, 1121605), (80, 897284), (101, 710720), (160, 448642), (202, 355360), (320, 224321), (404, 177680), (505, 142144), (808, 88840), (1010, 71072), (1616, 44420), (2020, 35536), (2221, 32320), (3232, 22210), (4040, 17768), (4442, 16160), (6464, 11105), (8080, 8884)]