40200520

素因数分解:

$2^3\times 5^1\times {\mathrm{1005013}}^1$

素因数の和:1005024

約数の個数: 16

約数和(自身を含む): 90451260

約数和(自身を除く): 50250740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1005013, 2010026, 4020052, 5025065, 8040104, 10050130, 20100260, 40200520]

約数ペア:

[(1, 40200520), (2, 20100260), (4, 10050130), (5, 8040104), (8, 5025065), (10, 4020052), (20, 2010026), (40, 1005013)]