29981080

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{5471}}^1$

素因数の和:5619

約数の個数: 32

約数和(自身を含む): 67962240

約数和(自身を除く): 37981160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5471, 5480, 10942, 21884, 27355, 43768, 54710, 109420, 218840, 749527, 1499054, 2998108, 3747635, 5996216, 7495270, 14990540, 29981080]

約数ペア:

[(1, 29981080), (2, 14990540), (4, 7495270), (5, 5996216), (8, 3747635), (10, 2998108), (20, 1499054), (40, 749527), (137, 218840), (274, 109420), (548, 54710), (685, 43768), (1096, 27355), (1370, 21884), (2740, 10942), (5471, 5480)]