107921680

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{6779}}^1$

素因数の和:6991

約数の個数: 40

約数和(自身を含む): 252216000

約数和(自身を除く): 144294320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 6779, 7960, 13558, 15920, 27116, 33895, 54232, 67790, 108464, 135580, 271160, 542320, 1349021, 2698042, 5396084, 6745105, 10792168, 13490210, 21584336, 26980420, 53960840, 107921680]

約数ペア:

[(1, 107921680), (2, 53960840), (4, 26980420), (5, 21584336), (8, 13490210), (10, 10792168), (16, 6745105), (20, 5396084), (40, 2698042), (80, 1349021), (199, 542320), (398, 271160), (796, 135580), (995, 108464), (1592, 67790), (1990, 54232), (3184, 33895), (3980, 27116), (6779, 15920), (7960, 13558)]