27896540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199261}}^1$

素因数の和:199277

約数の個数: 24

約数和(自身を含む): 66952032

約数和(自身を除く): 39055492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199261, 398522, 797044, 996305, 1394827, 1992610, 2789654, 3985220, 5579308, 6974135, 13948270, 27896540]

約数ペア:

[(1, 27896540), (2, 13948270), (4, 6974135), (5, 5579308), (7, 3985220), (10, 2789654), (14, 1992610), (20, 1394827), (28, 996305), (35, 797044), (70, 398522), (140, 199261)]