51857240

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{9463}}^1$

素因数の和:9611

約数の個数: 32

約数和(自身を含む): 117542880

約数和(自身を除く): 65685640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 9463, 18926, 37852, 47315, 75704, 94630, 189260, 378520, 1296431, 2592862, 5185724, 6482155, 10371448, 12964310, 25928620, 51857240]

約数ペア:

[(1, 51857240), (2, 25928620), (4, 12964310), (5, 10371448), (8, 6482155), (10, 5185724), (20, 2592862), (40, 1296431), (137, 378520), (274, 189260), (548, 94630), (685, 75704), (1096, 47315), (1370, 37852), (2740, 18926), (5480, 9463)]