40513456

素因数分解:

$2^4\times {\mathrm{281}}^1\times {\mathrm{9011}}^1$

素因数の和:9300

約数の個数: 20

約数和(自身を含む): 78782904

約数和(自身を除く): 38269448

約数列:

[1, 2, 4, 8, 16, 281, 562, 1124, 2248, 4496, 9011, 18022, 36044, 72088, 144176, 2532091, 5064182, 10128364, 20256728, 40513456]

約数ペア:

[(1, 40513456), (2, 20256728), (4, 10128364), (8, 5064182), (16, 2532091), (281, 144176), (562, 72088), (1124, 36044), (2248, 18022), (4496, 9011)]