2020160560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{120823}}^1$

素因数の和:120866

約数の個数: 80

約数和(自身を含む): 5393583360

約数和(自身を除く): 3373422800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 8360, 16720, 120823, 241646, 483292, 604115, 966584, 1208230, 1329053, 1933168, 2295637, 2416460, 2658106, 4591274, 4832920, 5316212, 6645265, 9182548, 9665840, 10632424, 11478185, 13290530, 18365096, 21264848, 22956370, 25252007, 26581060, 36730192, 45912740, 50504014, 53162120, 91825480, 101008028, 106324240, 126260035, 183650960, 202016056, 252520070, 404032112, 505040140, 1010080280, 2020160560]

約数ペア:

[(1, 2020160560), (2, 1010080280), (4, 505040140), (5, 404032112), (8, 252520070), (10, 202016056), (11, 183650960), (16, 126260035), (19, 106324240), (20, 101008028), (22, 91825480), (38, 53162120), (40, 50504014), (44, 45912740), (55, 36730192), (76, 26581060), (80, 25252007), (88, 22956370), (95, 21264848), (110, 18365096), (152, 13290530), (176, 11478185), (190, 10632424), (209, 9665840), (220, 9182548), (304, 6645265), (380, 5316212), (418, 4832920), (440, 4591274), (760, 2658106), (836, 2416460), (880, 2295637), (1045, 1933168), (1520, 1329053), (1672, 1208230), (2090, 966584), (3344, 604115), (4180, 483292), (8360, 241646), (16720, 120823)]