40285670

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{31721}}^1$

素因数の和:31855

約数の個数: 16

約数和(自身を含む): 73087488

約数和(自身を除く): 32801818

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 31721, 63442, 158605, 317210, 4028567, 8057134, 20142835, 40285670]

約数ペア:

[(1, 40285670), (2, 20142835), (5, 8057134), (10, 4028567), (127, 317210), (254, 158605), (635, 63442), (1270, 31721)]