39891640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{52489}}^1$

素因数の和:52519

約数の個数: 32

約数和(自身を含む): 94482000

約数和(自身を除く): 54590360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 52489, 104978, 209956, 262445, 419912, 524890, 997291, 1049780, 1994582, 2099560, 3989164, 4986455, 7978328, 9972910, 19945820, 39891640]

約数ペア:

[(1, 39891640), (2, 19945820), (4, 9972910), (5, 7978328), (8, 4986455), (10, 3989164), (19, 2099560), (20, 1994582), (38, 1049780), (40, 997291), (76, 524890), (95, 419912), (152, 262445), (190, 209956), (380, 104978), (760, 52489)]