7920880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9001}}^1$

素因数の和:9025

約数の個数: 40

約数和(自身を含む): 20092464

約数和(自身を除く): 12171584

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 9001, 18002, 36004, 45005, 72008, 90010, 99011, 144016, 180020, 198022, 360040, 396044, 495055, 720080, 792088, 990110, 1584176, 1980220, 3960440, 7920880]

約数ペア:

[(1, 7920880), (2, 3960440), (4, 1980220), (5, 1584176), (8, 990110), (10, 792088), (11, 720080), (16, 495055), (20, 396044), (22, 360040), (40, 198022), (44, 180020), (55, 144016), (80, 99011), (88, 90010), (110, 72008), (176, 45005), (220, 36004), (440, 18002), (880, 9001)]