25119770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{971}}^1$

素因数の和:1190

約数の個数: 32

約数和(自身を含む): 48988800

約数和(自身を除く): 23869030

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 199, 398, 971, 995, 1942, 1990, 2587, 4855, 5174, 9710, 12623, 12935, 25246, 25870, 63115, 126230, 193229, 386458, 966145, 1932290, 2511977, 5023954, 12559885, 25119770]

約数ペア:

[(1, 25119770), (2, 12559885), (5, 5023954), (10, 2511977), (13, 1932290), (26, 966145), (65, 386458), (130, 193229), (199, 126230), (398, 63115), (971, 25870), (995, 25246), (1942, 12935), (1990, 12623), (2587, 9710), (4855, 5174)]