39857340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{664289}}^1$

素因数の和:664301

約数の個数: 24

約数和(自身を含む): 111600720

約数和(自身を除く): 71743380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 664289, 1328578, 1992867, 2657156, 3321445, 3985734, 6642890, 7971468, 9964335, 13285780, 19928670, 39857340]

約数ペア:

[(1, 39857340), (2, 19928670), (3, 13285780), (4, 9964335), (5, 7971468), (6, 6642890), (10, 3985734), (12, 3321445), (15, 2657156), (20, 1992867), (30, 1328578), (60, 664289)]