54259820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{142789}}^1$

素因数の和:142817

約数の個数: 24

約数和(自身を含む): 119943600

約数和(自身を除く): 65683780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 142789, 285578, 571156, 713945, 1427890, 2712991, 2855780, 5425982, 10851964, 13564955, 27129910, 54259820]

約数ペア:

[(1, 54259820), (2, 27129910), (4, 13564955), (5, 10851964), (10, 5425982), (19, 2855780), (20, 2712991), (38, 1427890), (76, 713945), (95, 571156), (190, 285578), (380, 142789)]