8328400

素因数分解:

$2^4\times 5^2\times {\mathrm{47}}^1\times {\mathrm{443}}^1$

素因数の和:508

約数の個数: 60

約数和(自身を含む): 20480832

約数和(自身を除く): 12152432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 47, 50, 80, 94, 100, 188, 200, 235, 376, 400, 443, 470, 752, 886, 940, 1175, 1772, 1880, 2215, 2350, 3544, 3760, 4430, 4700, 7088, 8860, 9400, 11075, 17720, 18800, 20821, 22150, 35440, 41642, 44300, 83284, 88600, 104105, 166568, 177200, 208210, 333136, 416420, 520525, 832840, 1041050, 1665680, 2082100, 4164200, 8328400]

約数ペア:

[(1, 8328400), (2, 4164200), (4, 2082100), (5, 1665680), (8, 1041050), (10, 832840), (16, 520525), (20, 416420), (25, 333136), (40, 208210), (47, 177200), (50, 166568), (80, 104105), (94, 88600), (100, 83284), (188, 44300), (200, 41642), (235, 35440), (376, 22150), (400, 20821), (443, 18800), (470, 17720), (752, 11075), (886, 9400), (940, 8860), (1175, 7088), (1772, 4700), (1880, 4430), (2215, 3760), (2350, 3544)]