49720520

素因数分解:

$2^3\times 5^1\times {\mathrm{1243013}}^1$

素因数の和:1243024

約数の個数: 16

約数和(自身を含む): 111871260

約数和(自身を除く): 62150740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1243013, 2486026, 4972052, 6215065, 9944104, 12430130, 24860260, 49720520]

約数ペア:

[(1, 49720520), (2, 24860260), (4, 12430130), (5, 9944104), (8, 6215065), (10, 4972052), (20, 2486026), (40, 1243013)]