39187240

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4973}}^1$

素因数の和:5181

約数の個数: 32

約数和(自身を含む): 88636680

約数和(自身を除く): 49449440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 4973, 7880, 9946, 19892, 24865, 39784, 49730, 99460, 198920, 979681, 1959362, 3918724, 4898405, 7837448, 9796810, 19593620, 39187240]

約数ペア:

[(1, 39187240), (2, 19593620), (4, 9796810), (5, 7837448), (8, 4898405), (10, 3918724), (20, 1959362), (40, 979681), (197, 198920), (394, 99460), (788, 49730), (985, 39784), (1576, 24865), (1970, 19892), (3940, 9946), (4973, 7880)]