204822760

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{119083}}^1$

素因数の和:119137

約数の個数: 32

約数和(自身を含む): 471572640

約数和(自身を除く): 266749880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 119083, 238166, 476332, 595415, 952664, 1190830, 2381660, 4763320, 5120569, 10241138, 20482276, 25602845, 40964552, 51205690, 102411380, 204822760]

約数ペア:

[(1, 204822760), (2, 102411380), (4, 51205690), (5, 40964552), (8, 25602845), (10, 20482276), (20, 10241138), (40, 5120569), (43, 4763320), (86, 2381660), (172, 1190830), (215, 952664), (344, 595415), (430, 476332), (860, 238166), (1720, 119083)]