80315584

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{257}}^2$

素因数の和:545

約数の個数: 42

約数和(自身を含む): 168419780

約数和(自身を除く): 88104196

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 257, 304, 514, 608, 1028, 1216, 2056, 4112, 4883, 8224, 9766, 16448, 19532, 39064, 66049, 78128, 132098, 156256, 264196, 312512, 528392, 1056784, 1254931, 2113568, 2509862, 4227136, 5019724, 10039448, 20078896, 40157792, 80315584]

約数ペア:

[(1, 80315584), (2, 40157792), (4, 20078896), (8, 10039448), (16, 5019724), (19, 4227136), (32, 2509862), (38, 2113568), (64, 1254931), (76, 1056784), (152, 528392), (257, 312512), (304, 264196), (514, 156256), (608, 132098), (1028, 78128), (1216, 66049), (2056, 39064), (4112, 19532), (4883, 16448), (8224, 9766)]