13749560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31249}}^1$

素因数の和:31271

約数の個数: 32

約数和(自身を含む): 33750000

約数和(自身を除く): 20000440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 31249, 62498, 124996, 156245, 249992, 312490, 343739, 624980, 687478, 1249960, 1374956, 1718695, 2749912, 3437390, 6874780, 13749560]

約数ペア:

[(1, 13749560), (2, 6874780), (4, 3437390), (5, 2749912), (8, 1718695), (10, 1374956), (11, 1249960), (20, 687478), (22, 624980), (40, 343739), (44, 312490), (55, 249992), (88, 156245), (110, 124996), (220, 62498), (440, 31249)]