39990590

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1\times {\mathrm{227}}^1$

素因数の和:536

約数の個数: 32

約数和(自身を含む): 73543680

約数和(自身を除く): 33553090

約数列:

[1, 2, 5, 10, 79, 158, 223, 227, 395, 446, 454, 790, 1115, 1135, 2230, 2270, 17617, 17933, 35234, 35866, 50621, 88085, 89665, 101242, 176170, 179330, 253105, 506210, 3999059, 7998118, 19995295, 39990590]

約数ペア:

[(1, 39990590), (2, 19995295), (5, 7998118), (10, 3999059), (79, 506210), (158, 253105), (223, 179330), (227, 176170), (395, 101242), (446, 89665), (454, 88085), (790, 50621), (1115, 35866), (1135, 35234), (2230, 17933), (2270, 17617)]