204169040

素因数分解:

$2^4\times 5^1\times {\mathrm{2552113}}^1$

素因数の和:2552126

約数の個数: 20

約数和(自身を含む): 474693204

約数和(自身を除く): 270524164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2552113, 5104226, 10208452, 12760565, 20416904, 25521130, 40833808, 51042260, 102084520, 204169040]

約数ペア:

[(1, 204169040), (2, 102084520), (4, 51042260), (5, 40833808), (8, 25521130), (10, 20416904), (16, 12760565), (20, 10208452), (40, 5104226), (80, 2552113)]