28136900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{25579}}^1$

素因数の和:25604

約数の個数: 36

約数和(自身を含む): 66610320

約数和(自身を除く): 38473420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 25579, 51158, 102316, 127895, 255790, 281369, 511580, 562738, 639475, 1125476, 1278950, 1406845, 2557900, 2813690, 5627380, 7034225, 14068450, 28136900]

約数ペア:

[(1, 28136900), (2, 14068450), (4, 7034225), (5, 5627380), (10, 2813690), (11, 2557900), (20, 1406845), (22, 1278950), (25, 1125476), (44, 639475), (50, 562738), (55, 511580), (100, 281369), (110, 255790), (220, 127895), (275, 102316), (550, 51158), (1100, 25579)]