55707920

素因数分解:

$2^4\times 5^1\times {\mathrm{696349}}^1$

素因数の和:696362

約数の個数: 20

約数和(自身を含む): 129521100

約数和(自身を除く): 73813180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 696349, 1392698, 2785396, 3481745, 5570792, 6963490, 11141584, 13926980, 27853960, 55707920]

約数ペア:

[(1, 55707920), (2, 27853960), (4, 13926980), (5, 11141584), (8, 6963490), (10, 5570792), (16, 3481745), (20, 2785396), (40, 1392698), (80, 696349)]