40736840

素因数分解:

$2^3\times 5^1\times {\mathrm{1018421}}^1$

素因数の和:1018432

約数の個数: 16

約数和(自身を含む): 91657980

約数和(自身を除く): 50921140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1018421, 2036842, 4073684, 5092105, 8147368, 10184210, 20368420, 40736840]

約数ペア:

[(1, 40736840), (2, 20368420), (4, 10184210), (5, 8147368), (8, 5092105), (10, 4073684), (20, 2036842), (40, 1018421)]