667977980

素因数分解:

$2^2\times 5^1\times {\mathrm{6977}}^1\times {\mathrm{4787}}^1$

素因数の和:11773

約数の個数: 24

約数和(自身を含む): 1403247888

約数和(自身を除く): 735269908

約数列:

[1, 2, 4, 5, 10, 20, 4787, 6977, 9574, 13954, 19148, 23935, 27908, 34885, 47870, 69770, 95740, 139540, 33398899, 66797798, 133595596, 166994495, 333988990, 667977980]

約数ペア:

[(1, 667977980), (2, 333988990), (4, 166994495), (5, 133595596), (10, 66797798), (20, 33398899), (4787, 139540), (6977, 95740), (9574, 69770), (13954, 47870), (19148, 34885), (23935, 27908)]