89688340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{640631}}^1$

素因数の和:640647

約数の個数: 24

約数和(自身を含む): 215252352

約数和(自身を除く): 125564012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 640631, 1281262, 2562524, 3203155, 4484417, 6406310, 8968834, 12812620, 17937668, 22422085, 44844170, 89688340]

約数ペア:

[(1, 89688340), (2, 44844170), (4, 22422085), (5, 17937668), (7, 12812620), (10, 8968834), (14, 6406310), (20, 4484417), (28, 3203155), (35, 2562524), (70, 1281262), (140, 640631)]