80099840

素因数分解:

$2^9\times 5^1\times {\mathrm{67}}^1\times {\mathrm{467}}^1$

素因数の和:557

約数の個数: 80

約数和(自身を含む): 195335712

約数和(自身を除く): 115235872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 256, 268, 320, 335, 467, 512, 536, 640, 670, 934, 1072, 1280, 1340, 1868, 2144, 2335, 2560, 2680, 3736, 4288, 4670, 5360, 7472, 8576, 9340, 10720, 14944, 17152, 18680, 21440, 29888, 31289, 34304, 37360, 42880, 59776, 62578, 74720, 85760, 119552, 125156, 149440, 156445, 171520, 239104, 250312, 298880, 312890, 500624, 597760, 625780, 1001248, 1195520, 1251560, 2002496, 2503120, 4004992, 5006240, 8009984, 10012480, 16019968, 20024960, 40049920, 80099840]

約数ペア:

[(1, 80099840), (2, 40049920), (4, 20024960), (5, 16019968), (8, 10012480), (10, 8009984), (16, 5006240), (20, 4004992), (32, 2503120), (40, 2002496), (64, 1251560), (67, 1195520), (80, 1001248), (128, 625780), (134, 597760), (160, 500624), (256, 312890), (268, 298880), (320, 250312), (335, 239104), (467, 171520), (512, 156445), (536, 149440), (640, 125156), (670, 119552), (934, 85760), (1072, 74720), (1280, 62578), (1340, 59776), (1868, 42880), (2144, 37360), (2335, 34304), (2560, 31289), (2680, 29888), (3736, 21440), (4288, 18680), (4670, 17152), (5360, 14944), (7472, 10720), (8576, 9340)]