31931960

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{5827}}^1$

素因数の和:5975

約数の個数: 32

約数和(自身を含む): 72383760

約数和(自身を除く): 40451800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 5827, 11654, 23308, 29135, 46616, 58270, 116540, 233080, 798299, 1596598, 3193196, 3991495, 6386392, 7982990, 15965980, 31931960]

約数ペア:

[(1, 31931960), (2, 15965980), (4, 7982990), (5, 6386392), (8, 3991495), (10, 3193196), (20, 1596598), (40, 798299), (137, 233080), (274, 116540), (548, 58270), (685, 46616), (1096, 29135), (1370, 23308), (2740, 11654), (5480, 5827)]