1256420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5711}}^1$

素因数の和:5731

約数の個数: 24

約数和(自身を含む): 2878848

約数和(自身を除く): 1622428

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 5711, 11422, 22844, 28555, 57110, 62821, 114220, 125642, 251284, 314105, 628210, 1256420]

約数ペア:

[(1, 1256420), (2, 628210), (4, 314105), (5, 251284), (10, 125642), (11, 114220), (20, 62821), (22, 57110), (44, 28555), (55, 22844), (110, 11422), (220, 5711)]