88999840

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{19181}}^1$

素因数の和:19225

約数の個数: 48

約数和(自身を含む): 217523880

約数和(自身を除く): 128524040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 4640, 19181, 38362, 76724, 95905, 153448, 191810, 306896, 383620, 556249, 613792, 767240, 1112498, 1534480, 2224996, 2781245, 3068960, 4449992, 5562490, 8899984, 11124980, 17799968, 22249960, 44499920, 88999840]

約数ペア:

[(1, 88999840), (2, 44499920), (4, 22249960), (5, 17799968), (8, 11124980), (10, 8899984), (16, 5562490), (20, 4449992), (29, 3068960), (32, 2781245), (40, 2224996), (58, 1534480), (80, 1112498), (116, 767240), (145, 613792), (160, 556249), (232, 383620), (290, 306896), (464, 191810), (580, 153448), (928, 95905), (1160, 76724), (2320, 38362), (4640, 19181)]