67380220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{82171}}^1$

素因数の和:82221

約数の個数: 24

約数和(自身を含む): 144951408

約数和(自身を除く): 77571188

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 82171, 164342, 328684, 410855, 821710, 1643420, 3369011, 6738022, 13476044, 16845055, 33690110, 67380220]

約数ペア:

[(1, 67380220), (2, 33690110), (4, 16845055), (5, 13476044), (10, 6738022), (20, 3369011), (41, 1643420), (82, 821710), (164, 410855), (205, 328684), (410, 164342), (820, 82171)]