12821960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16871}}^1$

素因数の和:16901

約数の個数: 32

約数和(自身を含む): 30369600

約数和(自身を除く): 17547640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 16871, 33742, 67484, 84355, 134968, 168710, 320549, 337420, 641098, 674840, 1282196, 1602745, 2564392, 3205490, 6410980, 12821960]

約数ペア:

[(1, 12821960), (2, 6410980), (4, 3205490), (5, 2564392), (8, 1602745), (10, 1282196), (19, 674840), (20, 641098), (38, 337420), (40, 320549), (76, 168710), (95, 134968), (152, 84355), (190, 67484), (380, 33742), (760, 16871)]