40324280

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{4441}}^1$

素因数の和:4679

約数の個数: 32

約数和(自身を含む): 91149840

約数和(自身を除く): 50825560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1816, 2270, 4441, 4540, 8882, 9080, 17764, 22205, 35528, 44410, 88820, 177640, 1008107, 2016214, 4032428, 5040535, 8064856, 10081070, 20162140, 40324280]

約数ペア:

[(1, 40324280), (2, 20162140), (4, 10081070), (5, 8064856), (8, 5040535), (10, 4032428), (20, 2016214), (40, 1008107), (227, 177640), (454, 88820), (908, 44410), (1135, 35528), (1816, 22205), (2270, 17764), (4441, 9080), (4540, 8882)]