66331820

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{22259}}^1$

素因数の和:22417

約数の個数: 24

約数和(自身を含む): 140238000

約数和(自身を除く): 73906180

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 22259, 44518, 89036, 111295, 222590, 445180, 3316591, 6633182, 13266364, 16582955, 33165910, 66331820]

約数ペア:

[(1, 66331820), (2, 33165910), (4, 16582955), (5, 13266364), (10, 6633182), (20, 3316591), (149, 445180), (298, 222590), (596, 111295), (745, 89036), (1490, 44518), (2980, 22259)]