1140398440

素因数分解:

$2^3\times 5^1\times {\mathrm{28509961}}^1$

素因数の和:28509972

約数の個数: 16

約数和(自身を含む): 2565896580

約数和(自身を除く): 1425498140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 28509961, 57019922, 114039844, 142549805, 228079688, 285099610, 570199220, 1140398440]

約数ペア:

[(1, 1140398440), (2, 570199220), (4, 285099610), (5, 228079688), (8, 142549805), (10, 114039844), (20, 57019922), (40, 28509961)]