28637530

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1399}}^1$

素因数の和:1518

約数の個数: 32

約数和(自身を含む): 54432000

約数和(自身を除く): 25794470

約数列:

[1, 2, 5, 10, 23, 46, 89, 115, 178, 230, 445, 890, 1399, 2047, 2798, 4094, 6995, 10235, 13990, 20470, 32177, 64354, 124511, 160885, 249022, 321770, 622555, 1245110, 2863753, 5727506, 14318765, 28637530]

約数ペア:

[(1, 28637530), (2, 14318765), (5, 5727506), (10, 2863753), (23, 1245110), (46, 622555), (89, 321770), (115, 249022), (178, 160885), (230, 124511), (445, 64354), (890, 32177), (1399, 20470), (2047, 13990), (2798, 10235), (4094, 6995)]