27808880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31601}}^1$

素因数の和:31625

約数の個数: 40

約数和(自身を含む): 70535664

約数和(自身を除く): 42726784

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 31601, 63202, 126404, 158005, 252808, 316010, 347611, 505616, 632020, 695222, 1264040, 1390444, 1738055, 2528080, 2780888, 3476110, 5561776, 6952220, 13904440, 27808880]

約数ペア:

[(1, 27808880), (2, 13904440), (4, 6952220), (5, 5561776), (8, 3476110), (10, 2780888), (11, 2528080), (16, 1738055), (20, 1390444), (22, 1264040), (40, 695222), (44, 632020), (55, 505616), (80, 347611), (88, 316010), (110, 252808), (176, 158005), (220, 126404), (440, 63202), (880, 31601)]