55537720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{198349}}^1$

素因数の和:198367

約数の個数: 32

約数和(自身を含む): 142812000

約数和(自身を除く): 87274280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 198349, 396698, 793396, 991745, 1388443, 1586792, 1983490, 2776886, 3966980, 5553772, 6942215, 7933960, 11107544, 13884430, 27768860, 55537720]

約数ペア:

[(1, 55537720), (2, 27768860), (4, 13884430), (5, 11107544), (7, 7933960), (8, 6942215), (10, 5553772), (14, 3966980), (20, 2776886), (28, 1983490), (35, 1586792), (40, 1388443), (56, 991745), (70, 793396), (140, 396698), (280, 198349)]