38680840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{87911}}^1$

素因数の和:87933

約数の個数: 32

約数和(自身を含む): 94944960

約数和(自身を除く): 56264120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 87911, 175822, 351644, 439555, 703288, 879110, 967021, 1758220, 1934042, 3516440, 3868084, 4835105, 7736168, 9670210, 19340420, 38680840]

約数ペア:

[(1, 38680840), (2, 19340420), (4, 9670210), (5, 7736168), (8, 4835105), (10, 3868084), (11, 3516440), (20, 1934042), (22, 1758220), (40, 967021), (44, 879110), (55, 703288), (88, 439555), (110, 351644), (220, 175822), (440, 87911)]