80313244

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{20509}}^1$

素因数の和:20613

約数の個数: 24

約数和(自身を含む): 155055600

約数和(自身を除く): 74742356

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 20509, 41018, 82036, 225599, 451198, 902396, 1825301, 3650602, 7301204, 20078311, 40156622, 80313244]

約数ペア:

[(1, 80313244), (2, 40156622), (4, 20078311), (11, 7301204), (22, 3650602), (44, 1825301), (89, 902396), (178, 451198), (356, 225599), (979, 82036), (1958, 41018), (3916, 20509)]