67880440

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{6761}}^1$

素因数の和:7023

約数の個数: 32

約数和(自身を含む): 153362160

約数和(自身を除く): 85481720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 6761, 10040, 13522, 27044, 33805, 54088, 67610, 135220, 270440, 1697011, 3394022, 6788044, 8485055, 13576088, 16970110, 33940220, 67880440]

約数ペア:

[(1, 67880440), (2, 33940220), (4, 16970110), (5, 13576088), (8, 8485055), (10, 6788044), (20, 3394022), (40, 1697011), (251, 270440), (502, 135220), (1004, 67610), (1255, 54088), (2008, 33805), (2510, 27044), (5020, 13522), (6761, 10040)]