87540260

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{743}}^1$

素因数の和:932

約数の個数: 48

約数和(自身を含む): 189737856

約数和(自身を除く): 102197596

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 137, 172, 215, 274, 430, 548, 685, 743, 860, 1370, 1486, 2740, 2972, 3715, 5891, 7430, 11782, 14860, 23564, 29455, 31949, 58910, 63898, 101791, 117820, 127796, 159745, 203582, 319490, 407164, 508955, 638980, 1017910, 2035820, 4377013, 8754026, 17508052, 21885065, 43770130, 87540260]

約数ペア:

[(1, 87540260), (2, 43770130), (4, 21885065), (5, 17508052), (10, 8754026), (20, 4377013), (43, 2035820), (86, 1017910), (137, 638980), (172, 508955), (215, 407164), (274, 319490), (430, 203582), (548, 159745), (685, 127796), (743, 117820), (860, 101791), (1370, 63898), (1486, 58910), (2740, 31949), (2972, 29455), (3715, 23564), (5891, 14860), (7430, 11782)]