20141440

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2861}}^1$

素因数の和:2891

約数の個数: 64

約数和(自身を含む): 52546320

約数和(自身を除く): 32404880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 2861, 3520, 5722, 7040, 11444, 14305, 22888, 28610, 31471, 45776, 57220, 62942, 91552, 114440, 125884, 157355, 183104, 228880, 251768, 314710, 366208, 457760, 503536, 629420, 915520, 1007072, 1258840, 1831040, 2014144, 2517680, 4028288, 5035360, 10070720, 20141440]

約数ペア:

[(1, 20141440), (2, 10070720), (4, 5035360), (5, 4028288), (8, 2517680), (10, 2014144), (11, 1831040), (16, 1258840), (20, 1007072), (22, 915520), (32, 629420), (40, 503536), (44, 457760), (55, 366208), (64, 314710), (80, 251768), (88, 228880), (110, 183104), (128, 157355), (160, 125884), (176, 114440), (220, 91552), (320, 62942), (352, 57220), (440, 45776), (640, 31471), (704, 28610), (880, 22888), (1408, 14305), (1760, 11444), (2861, 7040), (3520, 5722)]