8480200

素因数分解:

$2^3\times 5^2\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 19948500

約数和(自身を除く): 11468300

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 109, 200, 218, 389, 436, 545, 778, 872, 1090, 1556, 1945, 2180, 2725, 3112, 3890, 4360, 5450, 7780, 9725, 10900, 15560, 19450, 21800, 38900, 42401, 77800, 84802, 169604, 212005, 339208, 424010, 848020, 1060025, 1696040, 2120050, 4240100, 8480200]

約数ペア:

[(1, 8480200), (2, 4240100), (4, 2120050), (5, 1696040), (8, 1060025), (10, 848020), (20, 424010), (25, 339208), (40, 212005), (50, 169604), (100, 84802), (109, 77800), (200, 42401), (218, 38900), (389, 21800), (436, 19450), (545, 15560), (778, 10900), (872, 9725), (1090, 7780), (1556, 5450), (1945, 4360), (2180, 3890), (2725, 3112)]