19754200

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{2297}}^1$

素因数の和:2356

約数の個数: 48

約数和(自身を含む): 47017080

約数和(自身を除く): 27262880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 1075, 1720, 2150, 2297, 4300, 4594, 8600, 9188, 11485, 18376, 22970, 45940, 57425, 91880, 98771, 114850, 197542, 229700, 395084, 459400, 493855, 790168, 987710, 1975420, 2469275, 3950840, 4938550, 9877100, 19754200]

約数ペア:

[(1, 19754200), (2, 9877100), (4, 4938550), (5, 3950840), (8, 2469275), (10, 1975420), (20, 987710), (25, 790168), (40, 493855), (43, 459400), (50, 395084), (86, 229700), (100, 197542), (172, 114850), (200, 98771), (215, 91880), (344, 57425), (430, 45940), (860, 22970), (1075, 18376), (1720, 11485), (2150, 9188), (2297, 8600), (4300, 4594)]