13212050

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{2969}}^1$

素因数の和:3070

約数の個数: 24

約数和(自身を含む): 24858900

約数和(自身を除く): 11646850

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 445, 890, 2225, 2969, 4450, 5938, 14845, 29690, 74225, 148450, 264241, 528482, 1321205, 2642410, 6606025, 13212050]

約数ペア:

[(1, 13212050), (2, 6606025), (5, 2642410), (10, 1321205), (25, 528482), (50, 264241), (89, 148450), (178, 74225), (445, 29690), (890, 14845), (2225, 5938), (2969, 4450)]