51665080

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{3659}}^1$

素因数の和:4023

約数の個数: 32

約数和(自身を含む): 116607600

約数和(自身を除く): 64942520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 2824, 3530, 3659, 7060, 7318, 14120, 14636, 18295, 29272, 36590, 73180, 146360, 1291627, 2583254, 5166508, 6458135, 10333016, 12916270, 25832540, 51665080]

約数ペア:

[(1, 51665080), (2, 25832540), (4, 12916270), (5, 10333016), (8, 6458135), (10, 5166508), (20, 2583254), (40, 1291627), (353, 146360), (706, 73180), (1412, 36590), (1765, 29272), (2824, 18295), (3530, 14636), (3659, 14120), (7060, 7318)]