54217640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71339}}^1$

素因数の和:71369

約数の個数: 32

約数和(自身を含む): 128412000

約数和(自身を除く): 74194360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 71339, 142678, 285356, 356695, 570712, 713390, 1355441, 1426780, 2710882, 2853560, 5421764, 6777205, 10843528, 13554410, 27108820, 54217640]

約数ペア:

[(1, 54217640), (2, 27108820), (4, 13554410), (5, 10843528), (8, 6777205), (10, 5421764), (19, 2853560), (20, 2710882), (38, 1426780), (40, 1355441), (76, 713390), (95, 570712), (152, 356695), (190, 285356), (380, 142678), (760, 71339)]