7040440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16001}}^1$

素因数の和:16023

約数の個数: 32

約数和(自身を含む): 17282160

約数和(自身を除く): 10241720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 16001, 32002, 64004, 80005, 128008, 160010, 176011, 320020, 352022, 640040, 704044, 880055, 1408088, 1760110, 3520220, 7040440]

約数ペア:

[(1, 7040440), (2, 3520220), (4, 1760110), (5, 1408088), (8, 880055), (10, 704044), (11, 640040), (20, 352022), (22, 320020), (40, 176011), (44, 160010), (55, 128008), (88, 80005), (110, 64004), (220, 32002), (440, 16001)]