38910800

素因数分解:

$2^4\times 5^2\times {\mathrm{89}}^1\times {\mathrm{1093}}^1$

素因数の和:1200

約数の個数: 60

約数和(自身を含む): 94620060

約数和(自身を除く): 55709260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 89, 100, 178, 200, 356, 400, 445, 712, 890, 1093, 1424, 1780, 2186, 2225, 3560, 4372, 4450, 5465, 7120, 8744, 8900, 10930, 17488, 17800, 21860, 27325, 35600, 43720, 54650, 87440, 97277, 109300, 194554, 218600, 389108, 437200, 486385, 778216, 972770, 1556432, 1945540, 2431925, 3891080, 4863850, 7782160, 9727700, 19455400, 38910800]

約数ペア:

[(1, 38910800), (2, 19455400), (4, 9727700), (5, 7782160), (8, 4863850), (10, 3891080), (16, 2431925), (20, 1945540), (25, 1556432), (40, 972770), (50, 778216), (80, 486385), (89, 437200), (100, 389108), (178, 218600), (200, 194554), (356, 109300), (400, 97277), (445, 87440), (712, 54650), (890, 43720), (1093, 35600), (1424, 27325), (1780, 21860), (2186, 17800), (2225, 17488), (3560, 10930), (4372, 8900), (4450, 8744), (5465, 7120)]