142636840

素因数分解:

$2^3\times 5^1\times {\mathrm{3565921}}^1$

素因数の和:3565932

約数の個数: 16

約数和(自身を含む): 320932980

約数和(自身を除く): 178296140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3565921, 7131842, 14263684, 17829605, 28527368, 35659210, 71318420, 142636840]

約数ペア:

[(1, 142636840), (2, 71318420), (4, 35659210), (5, 28527368), (8, 17829605), (10, 14263684), (20, 7131842), (40, 3565921)]