28372540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{202661}}^1$

素因数の和:202677

約数の個数: 24

約数和(自身を含む): 68094432

約数和(自身を除く): 39721892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 202661, 405322, 810644, 1013305, 1418627, 2026610, 2837254, 4053220, 5674508, 7093135, 14186270, 28372540]

約数ペア:

[(1, 28372540), (2, 14186270), (4, 7093135), (5, 5674508), (7, 4053220), (10, 2837254), (14, 2026610), (20, 1418627), (28, 1013305), (35, 810644), (70, 405322), (140, 202661)]