66682640

素因数分解:

$2^4\times 5^1\times {\mathrm{907}}^1\times {\mathrm{919}}^1$

素因数の和:1839

約数の個数: 40

約数和(自身を含む): 155376960

約数和(自身を除く): 88694320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 907, 919, 1814, 1838, 3628, 3676, 4535, 4595, 7256, 7352, 9070, 9190, 14512, 14704, 18140, 18380, 36280, 36760, 72560, 73520, 833533, 1667066, 3334132, 4167665, 6668264, 8335330, 13336528, 16670660, 33341320, 66682640]

約数ペア:

[(1, 66682640), (2, 33341320), (4, 16670660), (5, 13336528), (8, 8335330), (10, 6668264), (16, 4167665), (20, 3334132), (40, 1667066), (80, 833533), (907, 73520), (919, 72560), (1814, 36760), (1838, 36280), (3628, 18380), (3676, 18140), (4535, 14704), (4595, 14512), (7256, 9190), (7352, 9070)]