65632520

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{8329}}^1$

素因数の和:8537

約数の個数: 32

約数和(自身を含む): 148440600

約数和(自身を除く): 82808080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 8329, 16658, 33316, 41645, 66632, 83290, 166580, 333160, 1640813, 3281626, 6563252, 8204065, 13126504, 16408130, 32816260, 65632520]

約数ペア:

[(1, 65632520), (2, 32816260), (4, 16408130), (5, 13126504), (8, 8204065), (10, 6563252), (20, 3281626), (40, 1640813), (197, 333160), (394, 166580), (788, 83290), (985, 66632), (1576, 41645), (1970, 33316), (3940, 16658), (7880, 8329)]