40578488

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{359}}^1$

素因数の和:635

約数の個数: 32

約数和(自身を含む): 77760000

約数和(自身を除く): 37181512

約数列:

[1, 2, 4, 8, 71, 142, 199, 284, 359, 398, 568, 718, 796, 1436, 1592, 2872, 14129, 25489, 28258, 50978, 56516, 71441, 101956, 113032, 142882, 203912, 285764, 571528, 5072311, 10144622, 20289244, 40578488]

約数ペア:

[(1, 40578488), (2, 20289244), (4, 10144622), (8, 5072311), (71, 571528), (142, 285764), (199, 203912), (284, 142882), (359, 113032), (398, 101956), (568, 71441), (718, 56516), (796, 50978), (1436, 28258), (1592, 25489), (2872, 14129)]