12820010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{491}}^1$

素因数の和:878

約数の個数: 32

約数和(自身を含む): 26497152

約数和(自身を除く): 13677142

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 373, 491, 746, 982, 1865, 2455, 2611, 3437, 3730, 4910, 5222, 6874, 13055, 17185, 26110, 34370, 183143, 366286, 915715, 1282001, 1831430, 2564002, 6410005, 12820010]

約数ペア:

[(1, 12820010), (2, 6410005), (5, 2564002), (7, 1831430), (10, 1282001), (14, 915715), (35, 366286), (70, 183143), (373, 34370), (491, 26110), (746, 17185), (982, 13055), (1865, 6874), (2455, 5222), (2611, 4910), (3437, 3730)]