16008080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18191}}^1$

素因数の和:18215

約数の個数: 40

約数和(自身を含む): 40604544

約数和(自身を除く): 24596464

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 18191, 36382, 72764, 90955, 145528, 181910, 200101, 291056, 363820, 400202, 727640, 800404, 1000505, 1455280, 1600808, 2001010, 3201616, 4002020, 8004040, 16008080]

約数ペア:

[(1, 16008080), (2, 8004040), (4, 4002020), (5, 3201616), (8, 2001010), (10, 1600808), (11, 1455280), (16, 1000505), (20, 800404), (22, 727640), (40, 400202), (44, 363820), (55, 291056), (80, 200101), (88, 181910), (110, 145528), (176, 90955), (220, 72764), (440, 36382), (880, 18191)]