212554660

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{259213}}^1$

素因数の和:259263

約数の個数: 24

約数和(自身を含む): 457253496

約数和(自身を除く): 244698836

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 259213, 518426, 1036852, 1296065, 2592130, 5184260, 10627733, 21255466, 42510932, 53138665, 106277330, 212554660]

約数ペア:

[(1, 212554660), (2, 106277330), (4, 53138665), (5, 42510932), (10, 21255466), (20, 10627733), (41, 5184260), (82, 2592130), (164, 1296065), (205, 1036852), (410, 518426), (820, 259213)]