51789520

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{2903}}^1$

素因数の和:3139

約数の個数: 40

約数和(自身を含む): 120992256

約数和(自身を除く): 69202736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223, 446, 892, 1115, 1784, 2230, 2903, 3568, 4460, 5806, 8920, 11612, 14515, 17840, 23224, 29030, 46448, 58060, 116120, 232240, 647369, 1294738, 2589476, 3236845, 5178952, 6473690, 10357904, 12947380, 25894760, 51789520]

約数ペア:

[(1, 51789520), (2, 25894760), (4, 12947380), (5, 10357904), (8, 6473690), (10, 5178952), (16, 3236845), (20, 2589476), (40, 1294738), (80, 647369), (223, 232240), (446, 116120), (892, 58060), (1115, 46448), (1784, 29030), (2230, 23224), (2903, 17840), (3568, 14515), (4460, 11612), (5806, 8920)]