71780260

素因数分解:

$2^2\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{3557}}^1$

素因数の和:4575

約数の個数: 24

約数和(自身を含む): 150930360

約数和(自身を除く): 79150100

約数列:

[1, 2, 4, 5, 10, 20, 1009, 2018, 3557, 4036, 5045, 7114, 10090, 14228, 17785, 20180, 35570, 71140, 3589013, 7178026, 14356052, 17945065, 35890130, 71780260]

約数ペア:

[(1, 71780260), (2, 35890130), (4, 17945065), (5, 14356052), (10, 7178026), (20, 3589013), (1009, 71140), (2018, 35570), (3557, 20180), (4036, 17785), (5045, 14228), (7114, 10090)]