2279464520

素因数分解:

$2^3\times 5^1\times {\mathrm{1777}}^1\times {\mathrm{32069}}^1$

素因数の和:33857

約数の個数: 32

約数和(自身を含む): 5131841400

約数和(自身を除く): 2852376880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1777, 3554, 7108, 8885, 14216, 17770, 32069, 35540, 64138, 71080, 128276, 160345, 256552, 320690, 641380, 1282760, 56986613, 113973226, 227946452, 284933065, 455892904, 569866130, 1139732260, 2279464520]

約数ペア:

[(1, 2279464520), (2, 1139732260), (4, 569866130), (5, 455892904), (8, 284933065), (10, 227946452), (20, 113973226), (40, 56986613), (1777, 1282760), (3554, 641380), (7108, 320690), (8885, 256552), (14216, 160345), (17770, 128276), (32069, 71080), (35540, 64138)]