165730520

素因数分解:

$2^3\times 5^1\times {\mathrm{863}}^1\times {\mathrm{4801}}^1$

素因数の和:5675

約数の個数: 32

約数和(自身を含む): 373403520

約数和(自身を除く): 207673000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 863, 1726, 3452, 4315, 4801, 6904, 8630, 9602, 17260, 19204, 24005, 34520, 38408, 48010, 96020, 192040, 4143263, 8286526, 16573052, 20716315, 33146104, 41432630, 82865260, 165730520]

約数ペア:

[(1, 165730520), (2, 82865260), (4, 41432630), (5, 33146104), (8, 20716315), (10, 16573052), (20, 8286526), (40, 4143263), (863, 192040), (1726, 96020), (3452, 48010), (4315, 38408), (4801, 34520), (6904, 24005), (8630, 19204), (9602, 17260)]