40316840

素因数分解:

$2^3\times 5^1\times {\mathrm{1007921}}^1$

素因数の和:1007932

約数の個数: 16

約数和(自身を含む): 90712980

約数和(自身を除く): 50396140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1007921, 2015842, 4031684, 5039605, 8063368, 10079210, 20158420, 40316840]

約数ペア:

[(1, 40316840), (2, 20158420), (4, 10079210), (5, 8063368), (8, 5039605), (10, 4031684), (20, 2015842), (40, 1007921)]