2045756840

素因数分解:

$2^3\times 5^1\times {\mathrm{51143921}}^1$

素因数の和:51143932

約数の個数: 16

約数和(自身を含む): 4602952980

約数和(自身を除く): 2557196140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 51143921, 102287842, 204575684, 255719605, 409151368, 511439210, 1022878420, 2045756840]

約数ペア:

[(1, 2045756840), (2, 1022878420), (4, 511439210), (5, 409151368), (8, 255719605), (10, 204575684), (20, 102287842), (40, 51143921)]