55555280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{63131}}^1$

素因数の和:63155

約数の個数: 40

約数和(自身を含む): 140910624

約数和(自身を除く): 85355344

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 63131, 126262, 252524, 315655, 505048, 631310, 694441, 1010096, 1262620, 1388882, 2525240, 2777764, 3472205, 5050480, 5555528, 6944410, 11111056, 13888820, 27777640, 55555280]

約数ペア:

[(1, 55555280), (2, 27777640), (4, 13888820), (5, 11111056), (8, 6944410), (10, 5555528), (11, 5050480), (16, 3472205), (20, 2777764), (22, 2525240), (40, 1388882), (44, 1262620), (55, 1010096), (80, 694441), (88, 631310), (110, 505048), (176, 315655), (220, 252524), (440, 126262), (880, 63131)]