28110760

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{6823}}^1$

素因数の和:6937

約数の個数: 32

約数和(自身を含む): 63872640

約数和(自身を除く): 35761880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 6823, 13646, 27292, 34115, 54584, 68230, 136460, 272920, 702769, 1405538, 2811076, 3513845, 5622152, 7027690, 14055380, 28110760]

約数ペア:

[(1, 28110760), (2, 14055380), (4, 7027690), (5, 5622152), (8, 3513845), (10, 2811076), (20, 1405538), (40, 702769), (103, 272920), (206, 136460), (412, 68230), (515, 54584), (824, 34115), (1030, 27292), (2060, 13646), (4120, 6823)]