27977840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31793}}^1$

素因数の和:31817

約数の個数: 40

約数和(自身を含む): 70964208

約数和(自身を除く): 42986368

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 31793, 63586, 127172, 158965, 254344, 317930, 349723, 508688, 635860, 699446, 1271720, 1398892, 1748615, 2543440, 2797784, 3497230, 5595568, 6994460, 13988920, 27977840]

約数ペア:

[(1, 27977840), (2, 13988920), (4, 6994460), (5, 5595568), (8, 3497230), (10, 2797784), (11, 2543440), (16, 1748615), (20, 1398892), (22, 1271720), (40, 699446), (44, 635860), (55, 508688), (80, 349723), (88, 317930), (110, 254344), (176, 158965), (220, 127172), (440, 63586), (880, 31793)]