38440880

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5399}}^1$

素因数の和:5501

約数の個数: 40

約数和(自身を含む): 90396000

約数和(自身を除く): 51955120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 5399, 7120, 10798, 21596, 26995, 43192, 53990, 86384, 107980, 215960, 431920, 480511, 961022, 1922044, 2402555, 3844088, 4805110, 7688176, 9610220, 19220440, 38440880]

約数ペア:

[(1, 38440880), (2, 19220440), (4, 9610220), (5, 7688176), (8, 4805110), (10, 3844088), (16, 2402555), (20, 1922044), (40, 961022), (80, 480511), (89, 431920), (178, 215960), (356, 107980), (445, 86384), (712, 53990), (890, 43192), (1424, 26995), (1780, 21596), (3560, 10798), (5399, 7120)]