66838960

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43973}}^1$

素因数の和:44005

約数の個数: 40

約数和(自身を含む): 163583280

約数和(自身を除く): 96744320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 43973, 87946, 175892, 219865, 351784, 439730, 703568, 835487, 879460, 1670974, 1758920, 3341948, 3517840, 4177435, 6683896, 8354870, 13367792, 16709740, 33419480, 66838960]

約数ペア:

[(1, 66838960), (2, 33419480), (4, 16709740), (5, 13367792), (8, 8354870), (10, 6683896), (16, 4177435), (19, 3517840), (20, 3341948), (38, 1758920), (40, 1670974), (76, 879460), (80, 835487), (95, 703568), (152, 439730), (190, 351784), (304, 219865), (380, 175892), (760, 87946), (1520, 43973)]