12451880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{6353}}^1$

素因数の和:6378

約数の個数: 48

約数和(自身を含む): 32596020

約数和(自身を除く): 20144140

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 6353, 12706, 25412, 31765, 44471, 50824, 63530, 88942, 127060, 177884, 222355, 254120, 311297, 355768, 444710, 622594, 889420, 1245188, 1556485, 1778840, 2490376, 3112970, 6225940, 12451880]

約数ペア:

[(1, 12451880), (2, 6225940), (4, 3112970), (5, 2490376), (7, 1778840), (8, 1556485), (10, 1245188), (14, 889420), (20, 622594), (28, 444710), (35, 355768), (40, 311297), (49, 254120), (56, 222355), (70, 177884), (98, 127060), (140, 88942), (196, 63530), (245, 50824), (280, 44471), (392, 31765), (490, 25412), (980, 12706), (1960, 6353)]