12760120

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4493}}^1$

素因数の和:4575

約数の個数: 32

約数和(自身を含む): 29121120

約数和(自身を除く): 16361000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 4493, 8986, 17972, 22465, 35944, 44930, 89860, 179720, 319003, 638006, 1276012, 1595015, 2552024, 3190030, 6380060, 12760120]

約数ペア:

[(1, 12760120), (2, 6380060), (4, 3190030), (5, 2552024), (8, 1595015), (10, 1276012), (20, 638006), (40, 319003), (71, 179720), (142, 89860), (284, 44930), (355, 35944), (568, 22465), (710, 17972), (1420, 8986), (2840, 4493)]