12660080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8329}}^1$

素因数の和:8361

約数の個数: 40

約数和(自身を含む): 30987600

約数和(自身を除く): 18327520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 8329, 16658, 33316, 41645, 66632, 83290, 133264, 158251, 166580, 316502, 333160, 633004, 666320, 791255, 1266008, 1582510, 2532016, 3165020, 6330040, 12660080]

約数ペア:

[(1, 12660080), (2, 6330040), (4, 3165020), (5, 2532016), (8, 1582510), (10, 1266008), (16, 791255), (19, 666320), (20, 633004), (38, 333160), (40, 316502), (76, 166580), (80, 158251), (95, 133264), (152, 83290), (190, 66632), (304, 41645), (380, 33316), (760, 16658), (1520, 8329)]