8739280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9931}}^1$

素因数の和:9955

約数の個数: 40

約数和(自身を含む): 22168224

約数和(自身を除く): 13428944

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 9931, 19862, 39724, 49655, 79448, 99310, 109241, 158896, 198620, 218482, 397240, 436964, 546205, 794480, 873928, 1092410, 1747856, 2184820, 4369640, 8739280]

約数ペア:

[(1, 8739280), (2, 4369640), (4, 2184820), (5, 1747856), (8, 1092410), (10, 873928), (11, 794480), (16, 546205), (20, 436964), (22, 397240), (40, 218482), (44, 198620), (55, 158896), (80, 109241), (88, 99310), (110, 79448), (176, 49655), (220, 39724), (440, 19862), (880, 9931)]