54998240

素因数分解:

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

素因数の和:31275

約数の個数: 48

約数和(自身を含む): 141750000

約数和(自身を除く): 86751760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 31249, 62498, 124996, 156245, 249992, 312490, 343739, 499984, 624980, 687478, 999968, 1249960, 1374956, 1718695, 2499920, 2749912, 3437390, 4999840, 5499824, 6874780, 10999648, 13749560, 27499120, 54998240]

約数ペア:

[(1, 54998240), (2, 27499120), (4, 13749560), (5, 10999648), (8, 6874780), (10, 5499824), (11, 4999840), (16, 3437390), (20, 2749912), (22, 2499920), (32, 1718695), (40, 1374956), (44, 1249960), (55, 999968), (80, 687478), (88, 624980), (110, 499984), (160, 343739), (176, 312490), (220, 249992), (352, 156245), (440, 124996), (880, 62498), (1760, 31249)]