16165940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{115471}}^1$

素因数の和:115487

約数の個数: 24

約数和(自身を含む): 38798592

約数和(自身を除く): 22632652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 115471, 230942, 461884, 577355, 808297, 1154710, 1616594, 2309420, 3233188, 4041485, 8082970, 16165940]

約数ペア:

[(1, 16165940), (2, 8082970), (4, 4041485), (5, 3233188), (7, 2309420), (10, 1616594), (14, 1154710), (20, 808297), (28, 577355), (35, 461884), (70, 230942), (140, 115471)]