77983240

素因数分解:

$2^3\times 5^1\times {\mathrm{1949581}}^1$

素因数の和:1949592

約数の個数: 16

約数和(自身を含む): 175462380

約数和(自身を除く): 97479140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1949581, 3899162, 7798324, 9747905, 15596648, 19495810, 38991620, 77983240]

約数ペア:

[(1, 77983240), (2, 38991620), (4, 19495810), (5, 15596648), (8, 9747905), (10, 7798324), (20, 3899162), (40, 1949581)]