2054120

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{577}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 4681800

約数和(自身を除く): 2627680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 577, 712, 890, 1154, 1780, 2308, 2885, 3560, 4616, 5770, 11540, 23080, 51353, 102706, 205412, 256765, 410824, 513530, 1027060, 2054120]

約数ペア:

[(1, 2054120), (2, 1027060), (4, 513530), (5, 410824), (8, 256765), (10, 205412), (20, 102706), (40, 51353), (89, 23080), (178, 11540), (356, 5770), (445, 4616), (577, 3560), (712, 2885), (890, 2308), (1154, 1780)]