8580440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19501}}^1$

素因数の和:19523

約数の個数: 32

約数和(自身を含む): 21062160

約数和(自身を除く): 12481720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 19501, 39002, 78004, 97505, 156008, 195010, 214511, 390020, 429022, 780040, 858044, 1072555, 1716088, 2145110, 4290220, 8580440]

約数ペア:

[(1, 8580440), (2, 4290220), (4, 2145110), (5, 1716088), (8, 1072555), (10, 858044), (11, 780040), (20, 429022), (22, 390020), (40, 214511), (44, 195010), (55, 156008), (88, 97505), (110, 78004), (220, 39002), (440, 19501)]