54742120

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{15377}}^1$

素因数の和:15477

約数の個数: 32

約数和(自身を含む): 124561800

約数和(自身を除く): 69819680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 15377, 30754, 61508, 76885, 123016, 153770, 307540, 615080, 1368553, 2737106, 5474212, 6842765, 10948424, 13685530, 27371060, 54742120]

約数ペア:

[(1, 54742120), (2, 27371060), (4, 13685530), (5, 10948424), (8, 6842765), (10, 5474212), (20, 2737106), (40, 1368553), (89, 615080), (178, 307540), (356, 153770), (445, 123016), (712, 76885), (890, 61508), (1780, 30754), (3560, 15377)]