13721880520

素因数分解:

$2^3\times 5^1\times {\mathrm{343047013}}^1$

素因数の和:343047024

約数の個数: 16

約数和(自身を含む): 30874231260

約数和(自身を除く): 17152350740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 343047013, 686094026, 1372188052, 1715235065, 2744376104, 3430470130, 6860940260, 13721880520]

約数ペア:

[(1, 13721880520), (2, 6860940260), (4, 3430470130), (5, 2744376104), (8, 1715235065), (10, 1372188052), (20, 686094026), (40, 343047013)]