87129260

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{31799}}^1$

素因数の和:31945

約数の個数: 24

約数和(自身を含む): 184312800

約数和(自身を除く): 97183540

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 31799, 63598, 127196, 158995, 317990, 635980, 4356463, 8712926, 17425852, 21782315, 43564630, 87129260]

約数ペア:

[(1, 87129260), (2, 43564630), (4, 21782315), (5, 17425852), (10, 8712926), (20, 4356463), (137, 635980), (274, 317990), (548, 158995), (685, 127196), (1370, 63598), (2740, 31799)]