72858140

素因数分解:

$2^2\times 5^1\times {\mathrm{761}}^1\times {\mathrm{4787}}^1$

素因数の和:5557

約数の個数: 24

約数和(自身を含む): 153235152

約数和(自身を除く): 80377012

約数列:

[1, 2, 4, 5, 10, 20, 761, 1522, 3044, 3805, 4787, 7610, 9574, 15220, 19148, 23935, 47870, 95740, 3642907, 7285814, 14571628, 18214535, 36429070, 72858140]

約数ペア:

[(1, 72858140), (2, 36429070), (4, 18214535), (5, 14571628), (10, 7285814), (20, 3642907), (761, 95740), (1522, 47870), (3044, 23935), (3805, 19148), (4787, 15220), (7610, 9574)]