69720520

素因数分解:

$2^3\times 5^1\times {\mathrm{1743013}}^1$

素因数の和:1743024

約数の個数: 16

約数和(自身を含む): 156871260

約数和(自身を除く): 87150740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1743013, 3486026, 6972052, 8715065, 13944104, 17430130, 34860260, 69720520]

約数ペア:

[(1, 69720520), (2, 34860260), (4, 17430130), (5, 13944104), (8, 8715065), (10, 6972052), (20, 3486026), (40, 1743013)]