206400520

素因数分解:

$2^3\times 5^1\times {\mathrm{859}}^1\times {\mathrm{6007}}^1$

素因数の和:6877

約数の個数: 32

約数和(自身を含む): 465019200

約数和(自身を除く): 258618680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 859, 1718, 3436, 4295, 6007, 6872, 8590, 12014, 17180, 24028, 30035, 34360, 48056, 60070, 120140, 240280, 5160013, 10320026, 20640052, 25800065, 41280104, 51600130, 103200260, 206400520]

約数ペア:

[(1, 206400520), (2, 103200260), (4, 51600130), (5, 41280104), (8, 25800065), (10, 20640052), (20, 10320026), (40, 5160013), (859, 240280), (1718, 120140), (3436, 60070), (4295, 48056), (6007, 34360), (6872, 30035), (8590, 24028), (12014, 17180)]