15761320

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2063}}^1$

素因数の和:2265

約数の個数: 32

約数和(自身を含む): 35665920

約数和(自身を除く): 19904600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 2063, 3820, 4126, 7640, 8252, 10315, 16504, 20630, 41260, 82520, 394033, 788066, 1576132, 1970165, 3152264, 3940330, 7880660, 15761320]

約数ペア:

[(1, 15761320), (2, 7880660), (4, 3940330), (5, 3152264), (8, 1970165), (10, 1576132), (20, 788066), (40, 394033), (191, 82520), (382, 41260), (764, 20630), (955, 16504), (1528, 10315), (1910, 8252), (2063, 7640), (3820, 4126)]