51774080

素因数分解:

$2^7\times 5^1\times {\mathrm{80897}}^1$

素因数の和:80916

約数の個数: 32

約数和(自身を含む): 123773940

約数和(自身を除く): 71999860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 80897, 161794, 323588, 404485, 647176, 808970, 1294352, 1617940, 2588704, 3235880, 5177408, 6471760, 10354816, 12943520, 25887040, 51774080]

約数ペア:

[(1, 51774080), (2, 25887040), (4, 12943520), (5, 10354816), (8, 6471760), (10, 5177408), (16, 3235880), (20, 2588704), (32, 1617940), (40, 1294352), (64, 808970), (80, 647176), (128, 404485), (160, 323588), (320, 161794), (640, 80897)]