66886480

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{3331}}^1$

素因数の和:3595

約数の個数: 40

約数和(自身を含む): 156177504

約数和(自身を除く): 89291024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 502, 1004, 1255, 2008, 2510, 3331, 4016, 5020, 6662, 10040, 13324, 16655, 20080, 26648, 33310, 53296, 66620, 133240, 266480, 836081, 1672162, 3344324, 4180405, 6688648, 8360810, 13377296, 16721620, 33443240, 66886480]

約数ペア:

[(1, 66886480), (2, 33443240), (4, 16721620), (5, 13377296), (8, 8360810), (10, 6688648), (16, 4180405), (20, 3344324), (40, 1672162), (80, 836081), (251, 266480), (502, 133240), (1004, 66620), (1255, 53296), (2008, 33310), (2510, 26648), (3331, 20080), (4016, 16655), (5020, 13324), (6662, 10040)]