81643000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{4297}}^1$

素因数の和:4337

約数の個数: 64

約数和(自身を含む): 201146400

約数和(自身を除く): 119503400

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 380, 475, 500, 760, 950, 1000, 1900, 2375, 3800, 4297, 4750, 8594, 9500, 17188, 19000, 21485, 34376, 42970, 81643, 85940, 107425, 163286, 171880, 214850, 326572, 408215, 429700, 537125, 653144, 816430, 859400, 1074250, 1632860, 2041075, 2148500, 3265720, 4082150, 4297000, 8164300, 10205375, 16328600, 20410750, 40821500, 81643000]

約数ペア:

[(1, 81643000), (2, 40821500), (4, 20410750), (5, 16328600), (8, 10205375), (10, 8164300), (19, 4297000), (20, 4082150), (25, 3265720), (38, 2148500), (40, 2041075), (50, 1632860), (76, 1074250), (95, 859400), (100, 816430), (125, 653144), (152, 537125), (190, 429700), (200, 408215), (250, 326572), (380, 214850), (475, 171880), (500, 163286), (760, 107425), (950, 85940), (1000, 81643), (1900, 42970), (2375, 34376), (3800, 21485), (4297, 19000), (4750, 17188), (8594, 9500)]