208314140

素因数分解:

$2^2\times 5^1\times {\mathrm{1259}}^1\times {\mathrm{8273}}^1$

素因数の和:9541

約数の個数: 24

約数和(自身を含む): 437860080

約数和(自身を除く): 229545940

約数列:

[1, 2, 4, 5, 10, 20, 1259, 2518, 5036, 6295, 8273, 12590, 16546, 25180, 33092, 41365, 82730, 165460, 10415707, 20831414, 41662828, 52078535, 104157070, 208314140]

約数ペア:

[(1, 208314140), (2, 104157070), (4, 52078535), (5, 41662828), (10, 20831414), (20, 10415707), (1259, 165460), (2518, 82730), (5036, 41365), (6295, 33092), (8273, 25180), (12590, 16546)]