28259540

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{5101}}^1$

素因数の和:5387

約数の個数: 24

約数和(自身を含む): 59570952

約数和(自身を除く): 31311412

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 5101, 5540, 10202, 20404, 25505, 51010, 102020, 1412977, 2825954, 5651908, 7064885, 14129770, 28259540]

約数ペア:

[(1, 28259540), (2, 14129770), (4, 7064885), (5, 5651908), (10, 2825954), (20, 1412977), (277, 102020), (554, 51010), (1108, 25505), (1385, 20404), (2770, 10202), (5101, 5540)]