16865080

素因数分解:

$2^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{1439}}^1$

素因数の和:1743

約数の個数: 32

約数和(自身を含む): 38102400

約数和(自身を除く): 21237320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 293, 586, 1172, 1439, 1465, 2344, 2878, 2930, 5756, 5860, 7195, 11512, 11720, 14390, 28780, 57560, 421627, 843254, 1686508, 2108135, 3373016, 4216270, 8432540, 16865080]

約数ペア:

[(1, 16865080), (2, 8432540), (4, 4216270), (5, 3373016), (8, 2108135), (10, 1686508), (20, 843254), (40, 421627), (293, 57560), (586, 28780), (1172, 14390), (1439, 11720), (1465, 11512), (2344, 7195), (2878, 5860), (2930, 5756)]