54255640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71389}}^1$

素因数の和:71419

約数の個数: 32

約数和(自身を含む): 128502000

約数和(自身を除く): 74246360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 71389, 142778, 285556, 356945, 571112, 713890, 1356391, 1427780, 2712782, 2855560, 5425564, 6781955, 10851128, 13563910, 27127820, 54255640]

約数ペア:

[(1, 54255640), (2, 27127820), (4, 13563910), (5, 10851128), (8, 6781955), (10, 5425564), (19, 2855560), (20, 2712782), (38, 1427780), (40, 1356391), (76, 713890), (95, 571112), (152, 356945), (190, 285556), (380, 142778), (760, 71389)]