155875280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{177131}}^1$

素因数の和:177155

約数の個数: 40

約数和(自身を含む): 395358624

約数和(自身を除く): 239483344

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 177131, 354262, 708524, 885655, 1417048, 1771310, 1948441, 2834096, 3542620, 3896882, 7085240, 7793764, 9742205, 14170480, 15587528, 19484410, 31175056, 38968820, 77937640, 155875280]

約数ペア:

[(1, 155875280), (2, 77937640), (4, 38968820), (5, 31175056), (8, 19484410), (10, 15587528), (11, 14170480), (16, 9742205), (20, 7793764), (22, 7085240), (40, 3896882), (44, 3542620), (55, 2834096), (80, 1948441), (88, 1771310), (110, 1417048), (176, 885655), (220, 708524), (440, 354262), (880, 177131)]