80439008

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10177}}^1$

素因数の和:10219

約数の個数: 48

約数和(自身を含む): 179539920

約数和(自身を除く): 99100912

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 304, 416, 494, 608, 988, 1976, 3952, 7904, 10177, 20354, 40708, 81416, 132301, 162832, 193363, 264602, 325664, 386726, 529204, 773452, 1058408, 1546904, 2116816, 2513719, 3093808, 4233632, 5027438, 6187616, 10054876, 20109752, 40219504, 80439008]

約数ペア:

[(1, 80439008), (2, 40219504), (4, 20109752), (8, 10054876), (13, 6187616), (16, 5027438), (19, 4233632), (26, 3093808), (32, 2513719), (38, 2116816), (52, 1546904), (76, 1058408), (104, 773452), (152, 529204), (208, 386726), (247, 325664), (304, 264602), (416, 193363), (494, 162832), (608, 132301), (988, 81416), (1976, 40708), (3952, 20354), (7904, 10177)]