127421480

素因数分解:

$2^3\times 5^1\times {\mathrm{709}}^1\times {\mathrm{4493}}^1$

素因数の和:5213

約数の個数: 32

約数和(自身を含む): 287166600

約数和(自身を除く): 159745120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 709, 1418, 2836, 3545, 4493, 5672, 7090, 8986, 14180, 17972, 22465, 28360, 35944, 44930, 89860, 179720, 3185537, 6371074, 12742148, 15927685, 25484296, 31855370, 63710740, 127421480]

約数ペア:

[(1, 127421480), (2, 63710740), (4, 31855370), (5, 25484296), (8, 15927685), (10, 12742148), (20, 6371074), (40, 3185537), (709, 179720), (1418, 89860), (2836, 44930), (3545, 35944), (4493, 28360), (5672, 22465), (7090, 17972), (8986, 14180)]