12499720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16447}}^1$

素因数の和:16477

約数の個数: 32

約数和(自身を含む): 29606400

約数和(自身を除く): 17106680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 16447, 32894, 65788, 82235, 131576, 164470, 312493, 328940, 624986, 657880, 1249972, 1562465, 2499944, 3124930, 6249860, 12499720]

約数ペア:

[(1, 12499720), (2, 6249860), (4, 3124930), (5, 2499944), (8, 1562465), (10, 1249972), (19, 657880), (20, 624986), (38, 328940), (40, 312493), (76, 164470), (95, 131576), (152, 82235), (190, 65788), (380, 32894), (760, 16447)]