20162221840

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{110587}}^1$

素因数の和:110696

約数の個数: 80

約数和(自身を含む): 48872818368

約数和(自身を除く): 28710596528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 53, 80, 86, 106, 172, 212, 215, 265, 344, 424, 430, 530, 688, 848, 860, 1060, 1720, 2120, 2279, 3440, 4240, 4558, 9116, 11395, 18232, 22790, 36464, 45580, 91160, 110587, 182320, 221174, 442348, 552935, 884696, 1105870, 1769392, 2211740, 4423480, 4755241, 5861111, 8846960, 9510482, 11722222, 19020964, 23444444, 23776205, 29305555, 38041928, 46888888, 47552410, 58611110, 76083856, 93777776, 95104820, 117222220, 190209640, 234444440, 252027773, 380419280, 468888880, 504055546, 1008111092, 1260138865, 2016222184, 2520277730, 4032444368, 5040555460, 10081110920, 20162221840]

約数ペア:

[(1, 20162221840), (2, 10081110920), (4, 5040555460), (5, 4032444368), (8, 2520277730), (10, 2016222184), (16, 1260138865), (20, 1008111092), (40, 504055546), (43, 468888880), (53, 380419280), (80, 252027773), (86, 234444440), (106, 190209640), (172, 117222220), (212, 95104820), (215, 93777776), (265, 76083856), (344, 58611110), (424, 47552410), (430, 46888888), (530, 38041928), (688, 29305555), (848, 23776205), (860, 23444444), (1060, 19020964), (1720, 11722222), (2120, 9510482), (2279, 8846960), (3440, 5861111), (4240, 4755241), (4558, 4423480), (9116, 2211740), (11395, 1769392), (18232, 1105870), (22790, 884696), (36464, 552935), (45580, 442348), (91160, 221174), (110587, 182320)]