55158040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{196993}}^1$

素因数の和:197011

約数の個数: 32

約数和(自身を含む): 141835680

約数和(自身を除く): 86677640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 196993, 393986, 787972, 984965, 1378951, 1575944, 1969930, 2757902, 3939860, 5515804, 6894755, 7879720, 11031608, 13789510, 27579020, 55158040]

約数ペア:

[(1, 55158040), (2, 27579020), (4, 13789510), (5, 11031608), (7, 7879720), (8, 6894755), (10, 5515804), (14, 3939860), (20, 2757902), (28, 1969930), (35, 1575944), (40, 1378951), (56, 984965), (70, 787972), (140, 393986), (280, 196993)]