39856460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{284689}}^1$

素因数の和:284705

約数の個数: 24

約数和(自身を含む): 95655840

約数和(自身を除く): 55799380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 284689, 569378, 1138756, 1423445, 1992823, 2846890, 3985646, 5693780, 7971292, 9964115, 19928230, 39856460]

約数ペア:

[(1, 39856460), (2, 19928230), (4, 9964115), (5, 7971292), (7, 5693780), (10, 3985646), (14, 2846890), (20, 1992823), (28, 1423445), (35, 1138756), (70, 569378), (140, 284689)]