56221520

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{6823}}^1$

素因数の和:6939

約数の個数: 40

約数和(自身を含む): 132003456

約数和(自身を除く): 75781936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 6823, 8240, 13646, 27292, 34115, 54584, 68230, 109168, 136460, 272920, 545840, 702769, 1405538, 2811076, 3513845, 5622152, 7027690, 11244304, 14055380, 28110760, 56221520]

約数ペア:

[(1, 56221520), (2, 28110760), (4, 14055380), (5, 11244304), (8, 7027690), (10, 5622152), (16, 3513845), (20, 2811076), (40, 1405538), (80, 702769), (103, 545840), (206, 272920), (412, 136460), (515, 109168), (824, 68230), (1030, 54584), (1648, 34115), (2060, 27292), (4120, 13646), (6823, 8240)]