54812120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{359}}^1$

素因数の和:728

約数の個数: 64

約数和(自身を含む): 135302400

約数和(自身を除く): 80490280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 347, 359, 440, 694, 718, 1388, 1436, 1735, 1795, 2776, 2872, 3470, 3590, 3817, 3949, 6940, 7180, 7634, 7898, 13880, 14360, 15268, 15796, 19085, 19745, 30536, 31592, 38170, 39490, 76340, 78980, 124573, 152680, 157960, 249146, 498292, 622865, 996584, 1245730, 1370303, 2491460, 2740606, 4982920, 5481212, 6851515, 10962424, 13703030, 27406060, 54812120]

約数ペア:

[(1, 54812120), (2, 27406060), (4, 13703030), (5, 10962424), (8, 6851515), (10, 5481212), (11, 4982920), (20, 2740606), (22, 2491460), (40, 1370303), (44, 1245730), (55, 996584), (88, 622865), (110, 498292), (220, 249146), (347, 157960), (359, 152680), (440, 124573), (694, 78980), (718, 76340), (1388, 39490), (1436, 38170), (1735, 31592), (1795, 30536), (2776, 19745), (2872, 19085), (3470, 15796), (3590, 15268), (3817, 14360), (3949, 13880), (6940, 7898), (7180, 7634)]