72856720

素因数分解:

$2^4\times 5^1\times {\mathrm{910709}}^1$

素因数の和:910722

約数の個数: 20

約数和(自身を含む): 169392060

約数和(自身を除く): 96535340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 910709, 1821418, 3642836, 4553545, 7285672, 9107090, 14571344, 18214180, 36428360, 72856720]

約数ペア:

[(1, 72856720), (2, 36428360), (4, 18214180), (5, 14571344), (8, 9107090), (10, 7285672), (16, 4553545), (20, 3642836), (40, 1821418), (80, 910709)]