51220120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{182929}}^1$

素因数の和:182947

約数の個数: 32

約数和(自身を含む): 131709600

約数和(自身を除く): 80489480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 182929, 365858, 731716, 914645, 1280503, 1463432, 1829290, 2561006, 3658580, 5122012, 6402515, 7317160, 10244024, 12805030, 25610060, 51220120]

約数ペア:

[(1, 51220120), (2, 25610060), (4, 12805030), (5, 10244024), (7, 7317160), (8, 6402515), (10, 5122012), (14, 3658580), (20, 2561006), (28, 1829290), (35, 1463432), (40, 1280503), (56, 914645), (70, 731716), (140, 365858), (280, 182929)]