61380440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139501}}^1$

素因数の和:139523

約数の個数: 32

約数和(自身を含む): 150662160

約数和(自身を除く): 89281720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 139501, 279002, 558004, 697505, 1116008, 1395010, 1534511, 2790020, 3069022, 5580040, 6138044, 7672555, 12276088, 15345110, 30690220, 61380440]

約数ペア:

[(1, 61380440), (2, 30690220), (4, 15345110), (5, 12276088), (8, 7672555), (10, 6138044), (11, 5580040), (20, 3069022), (22, 2790020), (40, 1534511), (44, 1395010), (55, 1116008), (88, 697505), (110, 558004), (220, 279002), (440, 139501)]