210147260

素因数分解:

$2^2\times 5^1\times {\mathrm{1601}}^1\times {\mathrm{6563}}^1$

素因数の和:8173

約数の個数: 24

約数和(自身を含む): 441652176

約数和(自身を除く): 231504916

約数列:

[1, 2, 4, 5, 10, 20, 1601, 3202, 6404, 6563, 8005, 13126, 16010, 26252, 32020, 32815, 65630, 131260, 10507363, 21014726, 42029452, 52536815, 105073630, 210147260]

約数ペア:

[(1, 210147260), (2, 105073630), (4, 52536815), (5, 42029452), (10, 21014726), (20, 10507363), (1601, 131260), (3202, 65630), (6404, 32815), (6563, 32020), (8005, 26252), (13126, 16010)]