775280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{881}}^1$

素因数の和:905

約数の個数: 40

約数和(自身を含む): 1968624

約数和(自身を除く): 1193344

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 881, 1762, 3524, 4405, 7048, 8810, 9691, 14096, 17620, 19382, 35240, 38764, 48455, 70480, 77528, 96910, 155056, 193820, 387640, 775280]

約数ペア:

[(1, 775280), (2, 387640), (4, 193820), (5, 155056), (8, 96910), (10, 77528), (11, 70480), (16, 48455), (20, 38764), (22, 35240), (40, 19382), (44, 17620), (55, 14096), (80, 9691), (88, 8810), (110, 7048), (176, 4405), (220, 3524), (440, 1762), (880, 881)]