51780016

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2399}}^1$

素因数の和:2497

約数の個数: 40

約数和(自身を含む): 107136000

約数和(自身を除く): 55355984

約数列:

[1, 2, 4, 8, 16, 19, 38, 71, 76, 142, 152, 284, 304, 568, 1136, 1349, 2399, 2698, 4798, 5396, 9596, 10792, 19192, 21584, 38384, 45581, 91162, 170329, 182324, 340658, 364648, 681316, 729296, 1362632, 2725264, 3236251, 6472502, 12945004, 25890008, 51780016]

約数ペア:

[(1, 51780016), (2, 25890008), (4, 12945004), (8, 6472502), (16, 3236251), (19, 2725264), (38, 1362632), (71, 729296), (76, 681316), (142, 364648), (152, 340658), (284, 182324), (304, 170329), (568, 91162), (1136, 45581), (1349, 38384), (2399, 21584), (2698, 19192), (4798, 10792), (5396, 9596)]