11728880

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{541}}^1$

素因数の和:825

約数の個数: 40

約数和(自身を含む): 27420864

約数和(自身を除く): 15691984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 541, 542, 1082, 1084, 1355, 2164, 2168, 2705, 2710, 4328, 4336, 5410, 5420, 8656, 10820, 10840, 21640, 21680, 43280, 146611, 293222, 586444, 733055, 1172888, 1466110, 2345776, 2932220, 5864440, 11728880]

約数ペア:

[(1, 11728880), (2, 5864440), (4, 2932220), (5, 2345776), (8, 1466110), (10, 1172888), (16, 733055), (20, 586444), (40, 293222), (80, 146611), (271, 43280), (541, 21680), (542, 21640), (1082, 10840), (1084, 10820), (1355, 8656), (2164, 5420), (2168, 5410), (2705, 4336), (2710, 4328)]