206108480

素因数分解:

$2^6\times 5^1\times {\mathrm{644089}}^1$

素因数の和:644106

約数の個数: 28

約数和(自身を含む): 490796580

約数和(自身を除く): 284688100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 644089, 1288178, 2576356, 3220445, 5152712, 6440890, 10305424, 12881780, 20610848, 25763560, 41221696, 51527120, 103054240, 206108480]

約数ペア:

[(1, 206108480), (2, 103054240), (4, 51527120), (5, 41221696), (8, 25763560), (10, 20610848), (16, 12881780), (20, 10305424), (32, 6440890), (40, 5152712), (64, 3220445), (80, 2576356), (160, 1288178), (320, 644089)]