8518840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1019}}^1$

素因数の和:1060

約数の個数: 64

約数和(自身を含む): 22032000

約数和(自身を除く): 13513160

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1019, 1045, 1672, 2038, 2090, 4076, 4180, 5095, 8152, 8360, 10190, 11209, 19361, 20380, 22418, 38722, 40760, 44836, 56045, 77444, 89672, 96805, 112090, 154888, 193610, 212971, 224180, 387220, 425942, 448360, 774440, 851884, 1064855, 1703768, 2129710, 4259420, 8518840]

約数ペア:

[(1, 8518840), (2, 4259420), (4, 2129710), (5, 1703768), (8, 1064855), (10, 851884), (11, 774440), (19, 448360), (20, 425942), (22, 387220), (38, 224180), (40, 212971), (44, 193610), (55, 154888), (76, 112090), (88, 96805), (95, 89672), (110, 77444), (152, 56045), (190, 44836), (209, 40760), (220, 38722), (380, 22418), (418, 20380), (440, 19361), (760, 11209), (836, 10190), (1019, 8360), (1045, 8152), (1672, 5095), (2038, 4180), (2090, 4076)]