8938000

素因数分解:

$2^4\times 5^3\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:173

約数の個数: 80

約数和(自身を含む): 22342320

約数和(自身を除く): 13404320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 109, 125, 164, 200, 205, 218, 250, 328, 400, 410, 436, 500, 545, 656, 820, 872, 1000, 1025, 1090, 1640, 1744, 2000, 2050, 2180, 2725, 3280, 4100, 4360, 4469, 5125, 5450, 8200, 8720, 8938, 10250, 10900, 13625, 16400, 17876, 20500, 21800, 22345, 27250, 35752, 41000, 43600, 44690, 54500, 71504, 82000, 89380, 109000, 111725, 178760, 218000, 223450, 357520, 446900, 558625, 893800, 1117250, 1787600, 2234500, 4469000, 8938000]

約数ペア:

[(1, 8938000), (2, 4469000), (4, 2234500), (5, 1787600), (8, 1117250), (10, 893800), (16, 558625), (20, 446900), (25, 357520), (40, 223450), (41, 218000), (50, 178760), (80, 111725), (82, 109000), (100, 89380), (109, 82000), (125, 71504), (164, 54500), (200, 44690), (205, 43600), (218, 41000), (250, 35752), (328, 27250), (400, 22345), (410, 21800), (436, 20500), (500, 17876), (545, 16400), (656, 13625), (820, 10900), (872, 10250), (1000, 8938), (1025, 8720), (1090, 8200), (1640, 5450), (1744, 5125), (2000, 4469), (2050, 4360), (2180, 4100), (2725, 3280)]