249400520

素因数分解:

$2^3\times 5^1\times {\mathrm{6235013}}^1$

素因数の和:6235024

約数の個数: 16

約数和(自身を含む): 561151260

約数和(自身を除く): 311750740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6235013, 12470026, 24940052, 31175065, 49880104, 62350130, 124700260, 249400520]

約数ペア:

[(1, 249400520), (2, 124700260), (4, 62350130), (5, 49880104), (8, 31175065), (10, 24940052), (20, 12470026), (40, 6235013)]