55566640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{263}}^1$

素因数の和:434

約数の個数: 80

約数和(自身を含む): 137491200

約数和(自身を除く): 81924560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 139, 152, 190, 263, 278, 304, 380, 526, 556, 695, 760, 1052, 1112, 1315, 1390, 1520, 2104, 2224, 2630, 2641, 2780, 4208, 4997, 5260, 5282, 5560, 9994, 10520, 10564, 11120, 13205, 19988, 21040, 21128, 24985, 26410, 36557, 39976, 42256, 49970, 52820, 73114, 79952, 99940, 105640, 146228, 182785, 199880, 211280, 292456, 365570, 399760, 584912, 694583, 731140, 1389166, 1462280, 2778332, 2924560, 3472915, 5556664, 6945830, 11113328, 13891660, 27783320, 55566640]

約数ペア:

[(1, 55566640), (2, 27783320), (4, 13891660), (5, 11113328), (8, 6945830), (10, 5556664), (16, 3472915), (19, 2924560), (20, 2778332), (38, 1462280), (40, 1389166), (76, 731140), (80, 694583), (95, 584912), (139, 399760), (152, 365570), (190, 292456), (263, 211280), (278, 199880), (304, 182785), (380, 146228), (526, 105640), (556, 99940), (695, 79952), (760, 73114), (1052, 52820), (1112, 49970), (1315, 42256), (1390, 39976), (1520, 36557), (2104, 26410), (2224, 24985), (2630, 21128), (2641, 21040), (2780, 19988), (4208, 13205), (4997, 11120), (5260, 10564), (5282, 10520), (5560, 9994)]