66267440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43597}}^1$

素因数の和:43629

約数の個数: 40

約数和(自身を含む): 162184560

約数和(自身を除く): 95917120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 43597, 87194, 174388, 217985, 348776, 435970, 697552, 828343, 871940, 1656686, 1743880, 3313372, 3487760, 4141715, 6626744, 8283430, 13253488, 16566860, 33133720, 66267440]

約数ペア:

[(1, 66267440), (2, 33133720), (4, 16566860), (5, 13253488), (8, 8283430), (10, 6626744), (16, 4141715), (19, 3487760), (20, 3313372), (38, 1743880), (40, 1656686), (76, 871940), (80, 828343), (95, 697552), (152, 435970), (190, 348776), (304, 217985), (380, 174388), (760, 87194), (1520, 43597)]