28200908740

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{3140413}}^1$

素因数の和:3140871

約数の個数: 24

約数和(自身を含む): 59353824600

約数和(自身を除く): 31152915860

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1796, 2245, 4490, 8980, 3140413, 6280826, 12561652, 15702065, 31404130, 62808260, 1410045437, 2820090874, 5640181748, 7050227185, 14100454370, 28200908740]

約数ペア:

[(1, 28200908740), (2, 14100454370), (4, 7050227185), (5, 5640181748), (10, 2820090874), (20, 1410045437), (449, 62808260), (898, 31404130), (1796, 15702065), (2245, 12561652), (4490, 6280826), (8980, 3140413)]