39970808

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{3541}}^1$

素因数の和:3647

約数の個数: 32

約数和(自身を含む): 80332560

約数和(自身を除く): 40361752

約数列:

[1, 2, 4, 8, 17, 34, 68, 83, 136, 166, 332, 664, 1411, 2822, 3541, 5644, 7082, 11288, 14164, 28328, 60197, 120394, 240788, 293903, 481576, 587806, 1175612, 2351224, 4996351, 9992702, 19985404, 39970808]

約数ペア:

[(1, 39970808), (2, 19985404), (4, 9992702), (8, 4996351), (17, 2351224), (34, 1175612), (68, 587806), (83, 481576), (136, 293903), (166, 240788), (332, 120394), (664, 60197), (1411, 28328), (2822, 14164), (3541, 11288), (5644, 7082)]