49998880

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16447}}^1$

素因数の和:16481

約数の個数: 48

約数和(自身を含む): 124346880

約数和(自身を除く): 74348000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 16447, 32894, 65788, 82235, 131576, 164470, 263152, 312493, 328940, 526304, 624986, 657880, 1249972, 1315760, 1562465, 2499944, 2631520, 3124930, 4999888, 6249860, 9999776, 12499720, 24999440, 49998880]

約数ペア:

[(1, 49998880), (2, 24999440), (4, 12499720), (5, 9999776), (8, 6249860), (10, 4999888), (16, 3124930), (19, 2631520), (20, 2499944), (32, 1562465), (38, 1315760), (40, 1249972), (76, 657880), (80, 624986), (95, 526304), (152, 328940), (160, 312493), (190, 263152), (304, 164470), (380, 131576), (608, 82235), (760, 65788), (1520, 32894), (3040, 16447)]