51807680

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8521}}^1$

素因数の和:8557

約数の個数: 56

約数和(自身を含む): 129875280

約数和(自身を除く): 78067600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 8521, 17042, 34084, 42605, 68168, 85210, 136336, 161899, 170420, 272672, 323798, 340840, 545344, 647596, 681680, 809495, 1295192, 1363360, 1618990, 2590384, 2726720, 3237980, 5180768, 6475960, 10361536, 12951920, 25903840, 51807680]

約数ペア:

[(1, 51807680), (2, 25903840), (4, 12951920), (5, 10361536), (8, 6475960), (10, 5180768), (16, 3237980), (19, 2726720), (20, 2590384), (32, 1618990), (38, 1363360), (40, 1295192), (64, 809495), (76, 681680), (80, 647596), (95, 545344), (152, 340840), (160, 323798), (190, 272672), (304, 170420), (320, 161899), (380, 136336), (608, 85210), (760, 68168), (1216, 42605), (1520, 34084), (3040, 17042), (6080, 8521)]