90723920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{162007}}^1$

素因数の和:162027

約数の個数: 40

約数和(自身を含む): 241067904

約数和(自身を除く): 150343984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 162007, 324014, 648028, 810035, 1134049, 1296056, 1620070, 2268098, 2592112, 3240140, 4536196, 5670245, 6480280, 9072392, 11340490, 12960560, 18144784, 22680980, 45361960, 90723920]

約数ペア:

[(1, 90723920), (2, 45361960), (4, 22680980), (5, 18144784), (7, 12960560), (8, 11340490), (10, 9072392), (14, 6480280), (16, 5670245), (20, 4536196), (28, 3240140), (35, 2592112), (40, 2268098), (56, 1620070), (70, 1296056), (80, 1134049), (112, 810035), (140, 648028), (280, 324014), (560, 162007)]