51380140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{367001}}^1$

素因数の和:367017

約数の個数: 24

約数和(自身を含む): 123312672

約数和(自身を除く): 71932532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 367001, 734002, 1468004, 1835005, 2569007, 3670010, 5138014, 7340020, 10276028, 12845035, 25690070, 51380140]

約数ペア:

[(1, 51380140), (2, 25690070), (4, 12845035), (5, 10276028), (7, 7340020), (10, 5138014), (14, 3670010), (20, 2569007), (28, 1835005), (35, 1468004), (70, 734002), (140, 367001)]