39981180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{666353}}^1$

素因数の和:666365

約数の個数: 24

約数和(自身を含む): 111947472

約数和(自身を除く): 71966292

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 666353, 1332706, 1999059, 2665412, 3331765, 3998118, 6663530, 7996236, 9995295, 13327060, 19990590, 39981180]

約数ペア:

[(1, 39981180), (2, 19990590), (3, 13327060), (4, 9995295), (5, 7996236), (6, 6663530), (10, 3998118), (12, 3331765), (15, 2665412), (20, 1999059), (30, 1332706), (60, 666353)]