65911540

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{10529}}^1$

素因数の和:10851

約数の個数: 24

約数和(自身を含む): 138869640

約数和(自身を除く): 72958100

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 6260, 10529, 21058, 42116, 52645, 105290, 210580, 3295577, 6591154, 13182308, 16477885, 32955770, 65911540]

約数ペア:

[(1, 65911540), (2, 32955770), (4, 16477885), (5, 13182308), (10, 6591154), (20, 3295577), (313, 210580), (626, 105290), (1252, 52645), (1565, 42116), (3130, 21058), (6260, 10529)]