39287420

素因数分解:

$2^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{3631}}^1$

素因数の和:4181

約数の個数: 24

約数和(自身を含む): 82678848

約数和(自身を除く): 43391428

約数列:

[1, 2, 4, 5, 10, 20, 541, 1082, 2164, 2705, 3631, 5410, 7262, 10820, 14524, 18155, 36310, 72620, 1964371, 3928742, 7857484, 9821855, 19643710, 39287420]

約数ペア:

[(1, 39287420), (2, 19643710), (4, 9821855), (5, 7857484), (10, 3928742), (20, 1964371), (541, 72620), (1082, 36310), (2164, 18155), (2705, 14524), (3631, 10820), (5410, 7262)]