53402020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{381443}}^1$

素因数の和:381459

約数の個数: 24

約数和(自身を含む): 128165184

約数和(自身を除く): 74763164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 381443, 762886, 1525772, 1907215, 2670101, 3814430, 5340202, 7628860, 10680404, 13350505, 26701010, 53402020]

約数ペア:

[(1, 53402020), (2, 26701010), (4, 13350505), (5, 10680404), (7, 7628860), (10, 5340202), (14, 3814430), (20, 2670101), (28, 1907215), (35, 1525772), (70, 762886), (140, 381443)]